In order to determine hfe and hie parameters of a transistor, ___________ is an a.c. short-circuited

Given that for a transistor, hie = 1100Ω, hfe = 50, hre = 2*10-4 and hoe = 2μΩ-1. Find CB h-parameters.

A

hfb = 1, hib = 22, hob = 3μΩ-1, hrb = -1.5×10-4

B

hfb = -0.98, hib = -21.56, hob = 0.03μΩ-1, hrb = 1.5×10-4

C

hfb = -0.98, hib = 21.56, hob = 0.03μΩ-1, hrb = -1.5×10-4

D

hfb = 1, hib = -21.56, hob = 0.03μΩ-1, hrb = -2×10-4

A transistor has hie =2kΩ, hoe=25µmhos and hfe=60 with an unbypassed emitter resistor Re=1kΩ. What will be the input resistance and output resistance?

A

90kΩ and 50kΩ respectively

B

33kΩ and 45kΩ respectively

C

6kΩ and 40kΩ respectively

D

63kΩ and 40kΩ respectively

A transistor has hie =1KΩ and hfe=60 with an bypassed emitter resistor Re=1kΩ. What will be the input resistance and output resistance?

A

90kΩ and 50kΩ respectively

B

33kΩ and 45kΩ respectively

C

6kΩ and 40kΩ respectively

D

63kΩ and 40kΩ respectively

Consider the following circuit, where source current = 10mA, hfe = 50, hie = 1100Ω, then for the transistor circuit, find output resistance RO and input resistance RI.

A

RO = 0, RI = 21Ω

B

RO = ∞, RI = 0Ω

C

RO = ∞, RI = 21Ω

D

RO = 10, RI = 21Ω

A transistor has hfe=100, hie=2kΩ, hoe=0.005mmhos, hre=0. Find the output impedance if the lad resistance is 5kΩ.

A

5kΩ

B

4kΩ

C

20kΩ

D

15kΩ

In the given circuit, hfe = 50 and hie = 1000Ω, find overall input and output resistance.

A

RI=956Ω, RO=1.6 kΩ

B

RI=956 kΩ, RO=2 kΩ

C

RI=956 Ω, RO=2 kΩ

D

RI=900Ω, RO=10 kΩ

Find net voltage gain, given hfe = 50 and hie = 1kΩ.

A

27.68

B

-22

C

30.55

D

-27.68

Consider its input resistance to be R1. Now, the bypass capacitor is attached, so that the new input resistance is R2. Given that hie = 1000Ω and hfe = 50, find R1-R2.

A

112.2Ω

B

0Ω

C

110Ω

D

200Ω

Given the following circuit. It is given that hfe=55, hie=1kΩ, hoe=25μΩ-1. Calculate the net current gain and the voltage gain of the network.

A

AI=192.6, Av=220

B

AI=1, AV=220

C

AI=192.6, AV=1

D

AI=192.6, AV=55

Given hfe = 60, hie=1000Ω, hoe = 20μ Ω–, hre = 2 * 10-4. Find the current gain of the BJT, correct up to two decimal points.

A

– 58.44

B

-59.21

C

– 60.10

D

– 60.00

In order to determine hfe and hie parameters of a transistor, ___________ is an a.c. short-circuited

Related Questions