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# What is a Wattmeter? structure of wattmeter

Friends, I have written in this post What is Wattmeter? It has been told about its structure etc., if you want to get information, then read the post completely.

### What is a Wattmeter? (Wattmeter kya hai?)

An electrical instrument that is used to measure the electric power of an electric circuit is called Wattmeter it is said.

English alphabets for wattmeter ‘W’ is displayed by.

### structure of wattmeter

Friends, in this we will talk about the internal structure of the wattmeter. Its internal structure consists of two coils, one of which current quit and the other potential coil it occurs.

Current coil is also called current coil, this coil is connected in series. The second potential coil is called voltage coil, this coil is connected in parallel with the electric circuit.

### wattmeter calculations

There are three types of wattmeters, out of which Dynamometer type, induction type and electrostatic type of happens.
dynamometer type Of wattmeter is mostly used. because this AC and DC, Measures both types of electrical power. induction type of wattmeter Only AC Measures the power of.

DC. Power of P = VI
AC Power of P = VI cosθ

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