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Standard XII

Physics

Ohm's Law in Scalar Form

A simple elec...

Question

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

0.8 A

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0.4 A

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0.2 A

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0.1 A

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Solution

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

$V = I R$

$⟹ I = \frac{V}{R} = \frac{12}{30}$

$⟹ I = 0.4 A$

Answer-(B)

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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)

The correct option is A 0.4AFrom Ohm's Law-V=IR⟹I=VR=1230⟹I=0.4AAnswer-(B)

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

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

$V = I R$

$⟹ I = \frac{V}{R} = \frac{12}{30}$

$⟹ I = 0.4 A$

Answer-(B)