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Physics

Grade-9

Easy

Question

A battery of 20 V is connected to a resister of 10Ω, as shown in the figure. The current in the ammeter will be

2 A
3 A
400 A
0.5 A

hint Hint:

V = RI

The correct answer is: 2 A

Given,
Voltage = 20 V
Resistance = 10 $capital omega$
We know that,
V = RI
Thus,
I = $V over R$
I = $fraction numerator 20 space over denominator 10 end fraction$
I = 2 A

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