Current Electricity The rating of a fuse wire is always expressed in Ampere-hours kWh Amperes Ampere-volts Ampere-hours kWh Amperes Ampere-volts 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 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Varistors Thermistor Variable resistors Semiconductors Varistors Thermistor Variable resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero High Low Very high Practically zero High Low Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 0.707 mA 14.14 mA 28.28 mA 7.07 mA 0.707 mA 14.14 mA 28.28 mA 7.07 mA ANSWER DOWNLOAD EXAMIANS APP