Electric Circuits Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be 2 kΩ, 1 W. 0.5 kΩ, 2 W. 1 kΩ, 1 W. 2 kΩ, 0.5 W. 2 kΩ, 1 W. 0.5 kΩ, 2 W. 1 kΩ, 1 W. 2 kΩ, 0.5 W. ANSWER DOWNLOAD EXAMIANS APP
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 25 Ω and 5 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 60 times per second. 80 times per second. 120 times per second. 70 times per second. 60 times per second. 80 times per second. 120 times per second. 70 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.25 mA. 0.5 mA. 0.35 mA. 1 mA. 0.25 mA. 0.5 mA. 0.35 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 10 A. 6 A. 4 A. 5 A. 10 A. 6 A. 4 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 6 Ω and 9 Ω. 3 Ω and 9 Ω. 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. 6 Ω and 9 Ω. 3 Ω and 9 Ω. 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. ANSWER DOWNLOAD EXAMIANS APP