Choose the correct answer from the followings: a) In Wheatstone bridge, when it is balanced the...

Choose the correct answer from the followings:

a) In Wheatstone bridge, when it is balanced the galvanometer reads

1. Inﬁnity 2. Zero 3. 5 mA 4. 10 mA
b) In PMMC, dumping force helps .............

1. To move the pointer to read our measurements correctly 2. To reset our readings back to zero 3. To stabilize the pointer during transition between readings 4. All the above
c) A current transformers are used for:

1. For cost eﬀective measurement 2. For protections 3. To reduce the cost of relay and circuit-breaker in high current enviroemnt 4. All the above

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Manojponduru answered 3 months ago

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