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Why rheostat is used in the circuit ?

+2 votes

asked Apr 5, 2019 in JEE by kratos

Why rheostat is used in the circuit ?

A. increase the magnitude of current

B. increase or decrease the magnitude of current

C. decrease the magnitude of current only

D. of the above

current laws
electricity
jee
class-10
electrical maintenance
jee mains
class-12
current electricity

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1 Answer

+2 votes

answered Sep 6, 2020 by kratos

Best answer

B. increase or decrease the magnitude of current

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