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