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1.
Electrical equipments are generally earthed through an electrode to avoid shocks when someone touches the body of the equipment. The earth resistance is effected by
2.
When a voltmeter - ammeter method is applied for the measurement of resistance, the voltmeter reads a value of 8.28 V and the ammeter reading is 4.14 mA. Then the value of the resistance will be
3.
At 2 MHz, the resonance is obtained with a resonating capacitance value of 12 pF and at 400 kHz, the resonance is obtained with resonating capacitance value of 320 pF. Then the self capacitance of the coil is
4.
In AC bridges, the Wagner earth devices are used to
5.
Shielding of the capacitor is done to
6.
The indicating instruments with linear scale is
7.
The resistance potential divider method and capacitance potential divider method is used for
8.
The range of electrostatic voltmeter can be extended by using
9.
In electrostatic instruments iron is not used for construction. These instruments are
10.
If an electrostatic voltmeter is used on AC circuit and has non uniform waves, then it will read