Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 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. 3 Ω. 2 Ω. 1 Ω. 4 Ω. 3 Ω. 2 Ω. 1 Ω. 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The indication of the state of charge of a battery is best given by level of electrolyte. colour of electrolyte. temperature of electrolyte. specific gravity of electrolyte. level of electrolyte. colour of electrolyte. temperature of electrolyte. specific gravity of electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Mercury. Copper. Aluminium. Lead. Mercury. Copper. Aluminium. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Ampere Watt Ohm Volt Ampere Watt Ohm Volt ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Common impurity in battery electrolyte is dust. iron. sodium chloride. lead sulfate. dust. iron. sodium chloride. lead sulfate. ANSWER DOWNLOAD EXAMIANS APP
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