Current Electricity Varistors are Resistor with zero temperature co-efficient Carbon resistors Non-linear resistors Insulators Resistor with zero temperature co-efficient Carbon resistors Non-linear resistors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 8 watts 6 watts 4 watts 2 watts 8 watts 6 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Heater will burn out Increases Remains same Decreases Heater will burn out Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero High Very high Low Practically zero High Very high Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP