A student has a set 176 ohm resistors how many resistors of 176 ohm he will connect in parallel with 220v supply so that the ammeter connected by him reads 5a on the scale
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its simple..
v=ir
1/r=n/176 r=176/n
220=5*176/n
n=176/44
n=4
we need 4 resistance of 176 ohm for 5a
hope it helps you..
v=ir
1/r=n/176 r=176/n
220=5*176/n
n=176/44
n=4
we need 4 resistance of 176 ohm for 5a
hope it helps you..
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