When a 10Ω resistor is connected across a battery, the current is measured to be 0.18A. If similary tested with a 25Ω resistor, the current is measured to be 0.08A. Find the e.m.f. of the battery and its internal resistance. Neglect the resistance of the ammeter used to measure the current.

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When a 10Ω resistor is connected across a battery, the current is measured to be 0.18A. If similary tested with a 25Ω resistor, the current is measured to be 0.08A. Find the e.m.f. of the battery and its internal resistance. Neglect the resistance of the ammeter used to measure the current.

Home/ College/When a 10Ω resistor is connected across a battery, the current is measured to be 0.18A. If similary tested with a 25Ω resistor, the current is measured to be 0.08A. Find the e.m.f. of the battery and its internal resistance. Neglect the resistance of the ammeter used to measure the current.