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Class 10 Physics Basic Electronics vii. The output of a NAND gate is 0 when(a) both of its inputs are 0 b) both of its inputs are 1 \begin{array}{ll}\text { (c) any of its inputs is } 0^{\prime} & \text { (d) any of its inputs is


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vii. The output of a NAND gate is 0 when(a) both of its inputs are 0 b) both of its inputs are 1 \begin{array}{ll}\text { (c) any of its inputs is } 0^{\prime} & \text { (d) any of its inputs is } 1 \text { }\end{array}

16.10. What are the three universal Logic Gates? Give their symbols and truth tables.
16.10. What are the three universal Logic Gates? Give their symbols and truth tables.

16.10. What are the three universal Logic Gates? Give their symbols and truth tables.

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.b. a microphone generating an electric current.
16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.b. a microphone generating an electric current.

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.b. a microphone generating an electric current.

16.4. Considering an oscilloscope explain:(v) Why the tube is evacuated?
16.4. Considering an oscilloscope explain:(v) Why the tube is evacuated?

16.4. Considering an oscilloscope explain:(v) Why the tube is evacuated?

v. The output of a two-input NOR gate is 1 when:(a) A is 1 and B is 0 (b) A is ^{\prime} 0^{\prime} and B is ^{\prime} 1^{\prime} (c) both A and B are O (d) both A and B are 1
v. The output of a two-input NOR gate is 1 when:(a)  A  is  1  and  B  is  0 (b)  A  is  ^{\prime} 0^{\prime}  and  B  is  ^{\prime} 1^{\prime} (c) both  A  and  B  are   O  (d) both  A  and  B  are  1

v. The output of a two-input NOR gate is 1 when:(a) A is 1 and B is 0 (b) A is ^{\prime} 0^{\prime} and B is ^{\prime} 1^{\prime} (c) both A and B are O (d) both A and B are 1

16.5. What is electron gun? Describe the process of thermionic emission.
16.5. What is electron gun? Describe the process of thermionic emission.

16.5. What is electron gun? Describe the process of thermionic emission.

i. The process by which electrons are emitted by a hot metal surface is known as(a) boiling(b) evaporation(c) conduction(d) thermionic emission
i. The process by which electrons are emitted by a hot metal surface is known as(a) boiling(b) evaporation(c) conduction(d) thermionic emission

i. The process by which electrons are emitted by a hot metal surface is known as(a) boiling(b) evaporation(c) conduction(d) thermionic emission

16.8. Show that the circuit given below acts as AND gate.
16.8. Show that the circuit given below acts as AND gate.

16.8. Show that the circuit given below acts as AND gate.

16.4. Considering an oscilloscope explain:(iii) Why the anode potential is kept positive with respect to the cathode potential?
16.4. Considering an oscilloscope explain:(iii) Why the anode potential is kept positive with respect to the cathode potential?

16.4. Considering an oscilloscope explain:(iii) Why the anode potential is kept positive with respect to the cathode potential?

ii. The particles emitted from a hot cathode surface are(a) positive ions(b) negative ions(c) protons(d) electrons
ii. The particles emitted from a hot cathode surface are(a) positive ions(b) negative ions(c) protons(d) electrons

ii. The particles emitted from a hot cathode surface are(a) positive ions(b) negative ions(c) protons(d) electrons

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.d. automatic traffic lights controlling the flow of traffic.
16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.d. automatic traffic lights controlling the flow of traffic.

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.d. automatic traffic lights controlling the flow of traffic.

16.1. Name two factors which can enhance thermionic emission.
16.1. Name two factors which can enhance thermionic emission.

16.1. Name two factors which can enhance thermionic emission.

16.3. Name some uses of oscilloscope.
16.3. Name some uses of oscilloscope.

16.3. Name some uses of oscilloscope.

16.2. Give three reasons to support the evidence that cathode rays are negatively charged electrons.
16.2. Give three reasons to support the evidence that cathode rays are negatively charged electrons.

16.2. Give three reasons to support the evidence that cathode rays are negatively charged electrons.

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.a. a moving-coil voltmeter measuring the e.m.f of a cell.
16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.a. a moving-coil voltmeter measuring the e.m.f of a cell.

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.a. a moving-coil voltmeter measuring the e.m.f of a cell.

vii. The output of a NAND gate is 0 when(a) both of its inputs are 0 b) both of its inputs are 1 \begin{array}{ll}\text { (c) any of its inputs is } 0^{\prime} & \text { (d) any of its inputs is } 1 \text { }\end{array}
vii. The output of a NAND gate is  0  when(a) both of its inputs are  0 b) both of its inputs are 1 \begin{array}{ll}\text { (c) any of its inputs is  } 0^{\prime} & \text { (d) any of its inputs is  } 1 \text {  }\end{array}
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vii. The output of a NAND gate is 0 when(a) both of its inputs are 0 b) both of its inputs are 1 \begin{array}{ll}\text { (c) any of its inputs is } 0^{\prime} & \text { (d) any of its inputs is } 1 \text { }\end{array}

vi. If X=A . B then X is 1 when:(a) A and B are 1 (b) A or B is 0 (c) A is 0 and B is 1 (d) A is 1^{\prime} and B is ^{\prime} O^{\prime}
vi. If  X=A . B  then  X  is  1  when:(a)  A  and  B  are  1 (b)  A  or  B  is  0 (c)   A  is  0  and  B  is  1 (d)   A  is   1^{\prime}  and  B  is  ^{\prime} O^{\prime}

vi. If X=A . B then X is 1 when:(a) A and B are 1 (b) A or B is 0 (c) A is 0 and B is 1 (d) A is 1^{\prime} and B is ^{\prime} O^{\prime}

16.4. When a moving electron enters the magnetic field it is deflected from its straight path. Name two factors which can enhance electron deflection.
16.4. When a moving electron enters the magnetic field it is deflected from its straight path. Name two factors which can enhance electron deflection.

16.4. When a moving electron enters the magnetic field it is deflected from its straight path. Name two factors which can enhance electron deflection.

iv. AND gate can be formed by using two(a) NOT gates(b) OR gates(c) NOR gates(d) NAND gates
iv. AND gate can be formed by using two(a) NOT gates(b) OR gates(c) NOR gates(d) NAND gates

iv. AND gate can be formed by using two(a) NOT gates(b) OR gates(c) NOR gates(d) NAND gates

16.4. Considering an oscilloscope explain:(i) How the filament is heated?
16.4. Considering an oscilloscope explain:(i) How the filament is heated?
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16.4. Considering an oscilloscope explain:(i) How the filament is heated?

16.9. Write down some benefits of using digital electronics over analogue electronics.
16.9. Write down some benefits of using digital electronics over analogue electronics.
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16.9. Write down some benefits of using digital electronics over analogue electronics.

16.4. Considering an oscilloscope explain:(ii) Why the filament is heated?
16.4. Considering an oscilloscope explain:(ii) Why the filament is heated?
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16.4. Considering an oscilloscope explain:(ii) Why the filament is heated?

16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.c. a central heating thermostat controlling the water pump.
16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.c. a central heating thermostat controlling the water pump.
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16.8. State and explain for each case whether the information given by the following devices is in analogue or a digital form.c. a central heating thermostat controlling the water pump.

16.6. What do you understand by digital and analogue quantities?
16.6. What do you understand by digital and analogue quantities?
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16.6. What do you understand by digital and analogue quantities?

16.1. Describe using one simple diagram in each case what happens when a narrow beam of electrons is passed through (a) a uniform electric field (b) a uniform magnetic field. What do these results indicate about the charge on electron?
16.1. Describe using one simple diagram in each case what happens when a narrow beam of electrons is passed through (a) a uniform electric field (b) a uniform magnetic field. What do these results indicate about the charge on electron?
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16.1. Describe using one simple diagram in each case what happens when a narrow beam of electrons is passed through (a) a uniform electric field (b) a uniform magnetic field. What do these results indicate about the charge on electron?

16.4. Considering an oscilloscope explain:(iv) Why a large potential is applied between anode and cathode?
16.4. Considering an oscilloscope explain:(iv) Why a large potential is applied between anode and cathode?
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16.4. Considering an oscilloscope explain:(iv) Why a large potential is applied between anode and cathode?

iii. The logical operation performed by this gate is(b) NOR(c) NAND(d) OR
iii. The logical operation performed by this gate is(b) NOR(c) NAND(d) OR
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iii. The logical operation performed by this gate is(b) NOR(c) NAND(d) OR

16.6 NAND gate is the reciprocal of AND gate. Discuss
 16.6 NAND gate is the reciprocal of AND gate. Discuss
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16.6 NAND gate is the reciprocal of AND gate. Discuss

16.7. Differentiate between analogue electronics and digital electronics. Write down names of five analogue and five digital devices that are commonly used in everyday life.
16.7. Differentiate between analogue electronics and digital electronics. Write down names of five analogue and five digital devices that are commonly used in everyday life.
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16.7. Differentiate between analogue electronics and digital electronics. Write down names of five analogue and five digital devices that are commonly used in everyday life.

16.5. How can you compare the logic operation X=A . B with usual operation of multiplication?
16.5. How can you compare the logic operation  X=A . B  with usual operation of multiplication?
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16.5. How can you compare the logic operation X=A . B with usual operation of multiplication?

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