Question

How many 176 ohm resistors (parallel) are required to carry 5A on a 220 v line? ​

Answer 1

Answer:

we want 4 resistors to carry 5A on 220v line

Answer 2

Answer:

simple..

Explanation:

For x number of resistors of resistance 176 Ω,

Here Supply voltage, V = 220 V

Current, I = 5 A

Equivalent resistance of the combination = R, given as

1/R=x*(1/176)

R=176/x

From Ohm’s law

V/I=176/x

x=176*I/v =176*5/220 =4

∴four resistors of 176 Ω are required to draw the given amount of current.

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