Electric Circuits A constant voltage source has high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which battery is used in aeroplanes? None of them. Edission cell. Dry cell battery. Lead acid battery. None of them. Edission cell. Dry cell battery. Lead acid battery. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of negative ions only. positive ions only. positive and negative ions. positive hole charges. negative ions only. positive ions only. positive and negative ions. positive hole charges. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the greater the emf. the greater the terminal voltage. the lesser the emf. the lesser the terminal voltage. the greater the emf. the greater the terminal voltage. the lesser the emf. the lesser the terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. R > r. None of these R < r. R = r. R > r. None of these R < r. ANSWER DOWNLOAD EXAMIANS APP
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