Question 1

All the following circuits having the transistor except

Accepted Answer

Rectifier circuit

Answer

Switching circuit

Answer

Amplifier circuit

Answer

Oscillator circuit

Question 2

the resistor has the value of 560000 Ω is equivalent to

Accepted Answer

0.56

Answer

65 k Ω

Answer

5600 k

Answer

560

Question 3

what is the color code for 4.7 k

Accepted Answer

yellow - violet - red - gold

Answer

yellow - violet - orange- gold

Answer

violet- green- red - gold

Answer

green- violet - red - gold

Question 4

what is the nominal resistance of a resistor which color code is orange - white - brown

Accepted Answer

390

Answer

400 Ω

Answer

480 Ω

Answer

380 Ω

Question 5

the resistance of LDR is decreased when

Accepted Answer

light increasing

Answer

heat increasing

Answer

light decreasing

Answer

heat decreasing

Question 6

if the output frequency of simple bell circuit is 1 kHz the time is

Accepted Answer

1 ms

Answer

0.5 s

Answer

1 s

Answer

0.5 ms

Question 7

the 555 ic used as

Accepted Answer

timers and multivibrator circuits

Answer

rectifier circuits

Answer

amplifier circuits

Answer

logic circuits

Question 8

the number of pins of 741 ic is

Accepted Answer

8

Answer

24

Answer

14

Answer

16

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