Electric Circuits A constant voltage source has minimum efficiency. high internal resistance. low internal resistance. minimum current capacity. minimum efficiency. high internal resistance. low internal resistance. minimum current capacity. 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 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 greater the emf. the lesser the terminal voltage. the greater the terminal voltage. the lesser the emf. the greater the emf. the lesser the terminal voltage. the greater the terminal voltage. 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 None of these R = r. R < r. R > r. None of these R = r. R < r. R > r. ANSWER DOWNLOAD EXAMIANS APP