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प्रश्न
A simple electric circuit has a 30 V battery and a resistor ot 60 o. What will be the current in the circuit? The resistance of the oonnecting wires is negligible.
उत्तर
A/c to Ohm's law,
I = `"V"/"R"`
Here V = 30 volt and R = 60 Ω
`therefore "I" = 30/60 = 0.5` A
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