The CT supplies current to the current coil of a wattmeter power factor meter, energy meter and, an ammeter. These are connected as? Options: A . &nbspAll coils in parallel B . &nbspAll coils in series C . &nbspSeries-parallel connection with two in each arm D . &nbspSeries-parallel connection with one in each arm

The CT supplies current to the current coil of a wattmeter power factor meter, e

Question

The CT supplies current to the current coil of a wattmeter power factor meter, energy meter and, an ammeter. These are connected as?

Options:

A . All coils in parallel

B . All coils in series

C . Series-parallel connection with two in each arm

D . Series-parallel connection with one in each arm

Answer: Option B
Answer: (b).All coils in series

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Question 1. A PT is a device which is ___________....

Question 2. In a moving iron meter, the deflection torque is proportional to?....

Question 3. The full-scale deflection current of a meter is 4 mA and its internal resistance is 400Ω. This meter is to have full d....is the value of the series resistor to be used?

Question 4. The full-scale deflection current of an ammeter is 4 mA and its internal resistance is 400Ω. If this meter is to have ....is the value of the shunt resistance to be used?

Question 5. A 50 Hz voltage is measured with a moving iron voltmeter and a rectifier type AC voltmeter connected in parallel. If the....Vb respectively. Then the form factor may be estimated as?

Question 6. A PMMC rated as 100 μA is used in a rectifier type of instrument which uses full wave rectification. What is the sensit....full wave rectification. What is the sensitivity on sinusoidal AC?

Question 7. A moving iron ammeter produces a full-scale torque of 240 μN-m with a deflection of 120° at a current of 10 A. the....of self-inductance (μH/rad) of the instrument at full scale is?

Question 8. A moving coil of a meter has 250 turns and a length and depth of 40 mm and 30 mm respectively. It is positioned in a uni....current of 160 mA. The torque on the coil is?

Question 9. Two 100 μA full-scale PMMC meters are employed to construct a 10 V and a 100 V full-scale voltmeter. These meters will ....voltmeter. These meters will have figure of merit (sensitivities) as?

Question 10. What is the current transformer?....

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