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Question

A simple electric circuit has a 12 V battery and a resistors of resistance of 30 ohm. What will be the current in the circuit? (Assume the resistance of the connecting wires is negligible)

A
0.8A
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B
0.4A
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C
0.2A
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D
0.1A
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Solution

The correct option is A 0.4A
From Ohm's Law-

V=IR

I=VR=1230

I=0.4A

Answer-(B)

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