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Class 10 Physics Basic Electronics


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

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.WhatarethethreeuniversalLogicGates?Givetheirsymbolsandtruthtables.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.Stateandexplainforeachcasewhethertheinformationgivenbythefollowingdevicesisinanalogueoradigitalform.b.amicrophonegeneratinganelectriccurrent.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.Consideringanoscilloscopeexplain:(v)Whythetubeisevacuated?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.TheoutputofatwoinputNORgateis1when:(a)Ais1andBis0(b)Ais0andBis1(c)bothAandBareO(d)bothAandBare1v. 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.Whatiselectrongun?Describetheprocessofthermionicemission.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.Theprocessbywhichelectronsareemittedbyahotmetalsurfaceisknownas(a)boiling(b)evaporation(c)conduction(d)thermionicemissioni. The process by which electrons are emitted by a hot metal surface is known as(a) boiling(b) evaporation(c) conduction(d) thermionic emission

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