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