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Physics

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Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

A A very high input impedance

B A very low input impedance

C A low output impedance

D None of the above

A That the emitter be heated

B That the base be heated

C That the collector be heated

D None of the above

A 2

B 3

C 4

D 5

A A high gain amplifier

B A high-power amplifier

C A high resistance amplifier

D A low resistance amplifier

A A digital waveform

B An analogue waveform

C Discrete waveform

D None at all

A The light emitting diodes

B Photo diodes

C Photo voltaic cell

D Solar cells.

A Converter

B A rectifier

C Inverter

D Oscillator

A The negative half cycle of A.C.

B The positive half cycle of A.C.

C The positive and negative half cycles

D Either positive or negative half of A.C.

A The positive half cycle of input A.C.

B The negative half cycle of input A.C.

C The complete cycle of input A.C.

D All of the above.

A is located on the emitter

B is located on the base

C is locate on the collector

D points form north to south

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Non-inverting amplifier circuits have____________?

The operation of a transistor requires______________?

To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________?

The operational amplifier is______________?

The alternating voltage is an example of_______________?

The specially designed semi-conductor diodes used as fast counters in electronic circuits are______________?

The device used for conversion of D.C. to A.C. is called______________?

In half-wave rectification the output D.C. voltages is obtained across the load for_______________?

In full wave rectification the output D.C. voltage across the load is obtained for_____________?

In the transistor schematic symbol, the arrow______________?