Current Electricity International ohm is defined in terms of the resistance of A cube of copper The unit length of wire A column of mercury A cube of carbon A cube of copper The unit length of wire A column of mercury A cube of carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 0.707 mA 7.07 mA 28.28 mA 14.14 mA 0.707 mA 7.07 mA 28.28 mA 14.14 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is High Low Very high Practically zero High Low Very high Practically zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS