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Parallel Circuits

Q1:

Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 , the current through each parallel resistor is

A 25 mA

B 100 mA

C 6.25 mA

D 200 mA

ANS:C - 6.25 mA

WE KNOW THAT V=IR.
I= V/R.
ACCORDING TO QUE. V=15v, R= 600.
I = 15/600= 0.025 A.
BIT THE CURRENT IS DIVIDING IN 4 PARALLEL CKT SO,
I in each ckt is = 0.025/4=0.00625 A ( OPTION NOT GIVEN),
SO 1 A= 1000ma.
0.00620A= 0.00625*1000= 6.25 ma in each circuit.



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