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SSC JE 2017: Electrical Measurement Rankers Quiz 3

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Question 1

A d. c. voltmeter has a sensitivity of 1000-Ω/V. When it measure half full scale in 100 V range, the current through the voltmeter will be:

Question 2

In a digit voltmeter, the largest number that can be read as:

Question 3

Which one of the following bridges is generally used for measurement of frequency and also capacitance?

Question 4

Moving coil (PMMC) and moving iron instruments can be distinguished by observing its:

Question 5

Phasor diagram of load voltage (V), current in pressure coil (IP) and current in current coil (IC) is shown in the figure when an electrodynamic wattmeter is used to measure power. The reading of the wattmeter will be proportional to

Question 6

An ammeter of resistance Rm is placed in an arrangement as shown in the figure. Material of Rm, Rsh is copper whereas that of Rs, Rx is manganin. The condition for which the meter performance is compensated against temperature, is

Question 7

An electric heater draws 1000 watts from a 250 V source. The power drawn from a 200 V source is

Question 8

In a CRO, a sinusoidal waveform of a certain frequency is displayed. The value of the quantity that can be made out by observation is

Question 9

In a Cathode Ray Tube, the focusing anode is located

Question 10

Fig. shows an ammeter, a voltmeter and a wattmeter connected in the circuit. The wattmeter will read
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Jun 30ESE & GATE EE