capacitors are used in transistor circuits.

Two capacitors having capacitance value 4F, three capacitors having capacitance value 2F and 5 capacitors having capacitance value 1F are connected in parallel, calculate the equivalent capacitance.

A

20F

B

19F

C

18F

D

17F

Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 Ω.
Time Response of Reactive Circuits mcq question image

Time Response of Reactive Circuits mcq question image

A

2.73 V

B

27.33 V

C

30 V

D

2.67 V

Referring to the bellow figure, determine the voltage level that the output will reach during the pulse.
Time Response of Reactive Circuits mcq question image

A

0 V

B

15 V

C

6.3 V

D

9.45 V

Referring to the give circuit, the output will.
Time Response of Reactive Circuits mcq question image

A

Decay to zero at the end of the pulse

B

Reach 6 V at the end of the pulse

C

Reach 3.78 V at the end of the pulse

D

Reach 5.16 V at the end of the pulse

Referring this figure, on the falling edge.
Time Response of Reactive Circuits mcq question image

A

The resistor voltage drops to -5 V and then goes back to zero exponentially

B

The resistor voltage jumps to -5 V and then goes back to zero exponentially

C

The capacitor voltage remains constant

D

The resistor voltage jumps to +5 V and then decreases exponentially to zero

Transistor–transistor logic (TTL) is a class of digital circuits built from ____________

A

JFET only

B

Bipolar junction transistors (BJT)

C

Resistors

D

Bipolar junction transistors (BJT) and resistors

In mid frequency region, the large capacitors are short and small capacitors are open circuited. What happens to the RC coupled circuit?

A

the circuit is now frequency blind

B

it is DC isolated

C

the circuit turns reactive

D

the circuit is AC dependent

Two capacitors of 0.5 μF and 1.5 μF capacitance are connected in parallel across a 110 V dc battery. The charges across the two capacitors after getting charged is ___________

A

55 μC each

B

275 μC each

C

55 μC and 275 μC respectively

D

275 μC and 55 μC respectively

What are filters created by using resistors and capacitors or inductors and capacitors called?

A

Active filters

B

Passive filters

C

Continuous filters

D

Differential filters

If a transistor has a short circuit current gain of 25 and the capacitance measured in the hybrid-π model of the transistor was 60 pF. Then the threshold frequency of operation of the transistor is:

A

60 MHz

B

45.6 GHz

C

66.3 GHz

D

34.8 GHz

capacitors are used in transistor circuits.

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