Electronic instruments Mcqs
Electronic instruments Mcqs, this topic has 30 mcqs, It takes five to ten minutes to complete this free Electronic instruments Mcqs test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "Electronic instruments Mcqs" MCQs and share with your friends, brothers, sisters.
Electronic instruments Mcqs (Total Quiz: 30)
MCQ: An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is______________?
- nG
- (n-1)G
- G/(n-1)
- G/n
C
MCQ: A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is________________?
- nG
- G/n
- G/(n-1)
- (n-1)G
D
MCQ: Which of the following is likely to have the largest resistance ?
- Voltmeter of range 10 V
- Moving coil galvanometer
- Ammeter of range 1 A
- A copper wire of length 1 m and diameter 3 mm
A
MCQ: If 2% of the main current is to be passed through a galvanometer of resistance G, then resistance of the shunt required is ________________?
- G/50
- G/49
- 49 G
- 50 G
B
MCQ: The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?
- Sinusoidal wave
- Cosine wave
- Sawtooth wave
- None of the above
C
MCQ: To send 10% of the main current through a moving coil galvanometer of resistance 99 O the shunt required is______________?
- 11 O
- 9 O
- 100 O
- 9 O
A
MCQ: If the negative potential on the control grid of CRT is increased, the intensity of spot _____________?
- Is increased
- Is decreased
- Remains the same
- None of the above
B