Electric Circuits If a large resistance is connected in parallel to a small resistance then net resistance will be smaller than the small resistance. smaller than the greater but larger than the smaller resistance. greater than the large resistance. None of these smaller than the small resistance. smaller than the greater but larger than the smaller resistance. greater than the large resistance. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 4 Ω. 3 Ω. 2 Ω. 1 Ω. 4 Ω. 3 Ω. 2 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the lesser the emf. 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. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Copper. Aluminium. Mercury. Lead. Copper. Aluminium. Mercury. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 10 Watts. 15 Watts. 20 Watts. 40 Watts. 10 Watts. 15 Watts. 20 Watts. 40 Watts. ANSWER DOWNLOAD EXAMIANS APP
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