EI M-1

The instrument which can be used only with the d.c. supply is

In a hot wire ammeter the current flowing through the resistance of 10Ω is given by I = 3 + 2sin300t A

To convert a 2 mA meter with internal resistance of 120 ohm into an ammeter of range 0 – 200 mA, the value of shunt resistance required is

A spring controlled moving iron voltmeter with full scale deflection of 150 V draws a current of 2 mA. What will be the meter reading if it draws a current of 1 mA?

Digital meters are preferable than analog meters.is it True?

An ideal voltmeter functions as __________ circuit

How systematic errors are eliminated?

The internal resistance of a voltmeter must be very high so that

A measurement which on repetition gives same or nearly same result is called

Measurement which is close to true value is

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