Question is ⇒ A certain transistor has adc of 0.98 and a collectors leakage current of 5 μA. If IE = 1 mA, the base current will be, Options are ⇒ (A) 35 μA, (B) 25 μA, (C) 15 μA, (D) 5 μA, (E) , Leave your comments or Download question paper.

Question is ⇒ A certain transistor has adc of 0.98 and a collectors leakage current of 5 μA. If IE = 1 mA, the base current will be, Options are ⇒ (A) 35 μA, (B) 25 μA, (C) 15 μA, (D) 5 μA, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A certain transistor has a_dc of 0.98 and a collectors leakage current of 5 μA. If I_E = 1 mA, the base current will be
A.	35 μA [Wrong Answer]
B.	25 μA [Wrong Answer]
C.	15 μA [Correct Answer]
D.	5 μA [Wrong Answer]
View Answer 6 -4 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒

Assertion (A): When a photoconductive device is exposed to light, its bulk resistance increases.

Reason (R): When exposed to light, electron hole pairs are generated in the photoconductive device.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true

⇒ A current of 1 A in the coil of an iron cored electromagnet causes B = 0.5T. If current is 2A, B =
0.5 T
1 T
1 T or more
1 T or less

⇒ During day time ionosphere can be considered to be consisting of
D, E, F₁ and F₂ layers
D, E, F₁ layers
D, E, F₂ layers
D and E layers

⇒ For 10 bit PCM system, the signal to quantization noise ratio is 62 dB. If the number of bits is increased by 2, then the signal to quantization noise ratio will
increased by 6 dB
increased by 12 dB
decreased by 6 dB
decreased by 12 dB

⇒ In the circuit of figure, the switch is closed at t = 0. At t = 0⁺ the current through
0.166666666666667
2.5 A
3.1 A
0

⇒ In a proportional plus integral control action
proportional gain K_p is adjustable but integral time T_i is constant
proportional gain K_p is adjustable but integral time T_i is adjustable
both proportional gain K_p and integral time T_i are adjustable
both proportional gain K_p and integral time T_i are constant

⇒ In shot noise
the current rises around mean value
the current rises to peak value, decreases to zero and then again rises
the current may become negative
the current is always less than the mean value

⇒ In a class C operation V_CC = 40 V, R_L = 50 Ω. The maximum load power can be
64 W
32 W
16 W
8 W

⇒ Which of the following identifiers is valid in Pascal?
THETA
NUM
1 ST
$ BETA

⇒ In a hi-fi system the frequency response over the audio frequency range should be within
± 10 dB
5 dB
2 dB
1 dB

⇒

Match the following:

	List I (Octal)		List II (Hexadecimal)
A.	66	1.	3 F
B.	77	2.	36
C.	55	3.	27
D.	47	4.	3D

A-1, B-3, C-2, D-4
A-2, B-1, C-4, D-3
A-3, B-1, C-2, D-4
A-4, B-1, C-2, D-3

⇒ In a single phase semiconverter feeding a highly inductive load, the load current is
sinusoidal
nearly constant
absolutely constant
rectangular

⇒ In the case of an amplifier, the normalised voltage gain is given
f_P >> f₀
f_P = f₀
f_P << f₀
f₀ = 2 f_P

⇒ The access time of a word in 4 MB main memory is 100 ms. The access time of a word in a 32 kb data cache memory is 10 ns. The average data cache bit ratio is 0.95. The efficiency of memory access time is
9.5 ns
14.5 ns
20 ns
95 ns

⇒ Which of the following circuits can operate class AB for audio power output?
Emitter follower
Push pull
Cascade
Darlington pair

⇒ Space communication links are being increasingly moved into Ka-band (200-30 GHz) because it
offers a much wider available bandwidth
does not suffer from atmospheric at tenuation
permits the use of smaller antenna
does not suffer from rain attenuation

⇒ Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.
TRUE
FALSE

⇒ In a common emitter BJT amplifier, the maximum usable supply voltage is limited by
avalanche Beakdown of Base-Emitter junction
collector emitter breakdown voltage with base open(βV_CEO)
collector emitter breakdown voltage with emitter open(βV_CEO)
zener break down voltage of the emitter base junction

⇒ Consider the following tasks in a micro computer

Receiving data and instruction
Performing arithmetic computation
Performing logical computations
Storing data and instructions

Which of the above are performed by ALU?
2 only
2 and 3 only
1, 2 and 3 only
All

⇒ CMRR is the ratio of differential voltage gain to common mode gain.
TRUE
FALSE

⇒ A choke coil has a resistance to reactance ratio of 0.2. The power factor of the choke coil is
less than 0.2 lagging
less than 0.2 leading
about 1
about 0

⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
9 mA
4.5 mA
3 mA
18 mA

⇒ In figure, the current supplied by battery at t = 0.5s1.1 A
1.9 A
0
1.632 A

⇒ At night the ionosphere can be considered to be consisting of
D, E, F₁ and F₂ layers
D, E, F₁ layers
D, E, F₂ layers
E and F₂ layers

⇒ Which of the following is susceptible to race condition?
R-S latch
D latch
Both R - S and D latches
None of the above

⇒ The characteristic equation for the next state (Q_n+1) of a J-K flip-flop is
Q_n+1 = JQ_n + KQ_n
Q_n+1 = JQ_n + KQ_n
Q_n+1 = JQ_n + KQ_n
Q_n+1 = JQ_n + KQ_n

⇒ For a good voltage amplifier, its input impedance should be
low as compared to the resistance of the source
high as compared to the resistance of the source
always inductive
always capacitive

⇒ The resistance values of a PIN diode under positive bias and negative bias respectively are about
a few ohms and a kilo ohms
about 100 ohms and 1000 ohms
about 0.1 ohm and 100 ohms
about 1000 ohms and 10000 ohms

⇒ The circuit of the given figure perf
OR function
AND function
exclusive OR function
exclusive NOR function

⇒ Transconductance indicates the
control of output voltage by input voltage
control of output current by input voltage
control of input voltage by output current
control of input current by input voltage

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math