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