ELECTRONIC PRACTICE - Practice Mode

1) How many characters are in hexadecimal number system?

6 8 12 16

Correct Answer: 16

2) Which electronic circuit generates A.C signal without input?

Filter circuit Rectifier circuit Amplifier circuit Oscillator circuit

Correct Answer: Oscillator circuit

3) Which instrument provides a visual representation of measured or tested quantities?

Voltage stabilizer Function generator Cathode ray oscilloscope Radio frequency generator

Correct Answer: Cathode ray oscilloscope

4) What is the minimum voltage required in the base emitter junction to conduct a silicon transistor?

0.2 V - 0.3 V 0.4 V - 0.5 V 0.6 V - 0.7 V 0.8 V - 0.9 V

Correct Answer: 0.6 V - 0.7 V

5) What is the minimum and maximum value of resistor with four colour bands, red, violet, orange and gold respectively?

23750 Ohm - 26250 Ohm 24700 Ohm - 27300 Ohm 25650 Ohm - 28350 Ohm 22400 Ohm - 33600 Ohm

Correct Answer: 25650 Ohm - 28350 Ohm

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