Current Electricity Voltage dependent resistors are usually made from Charcoal Graphite Nichrome Silicon carbide Charcoal Graphite Nichrome Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will None of the listed here Decreases Increases Become zero None of the listed here Decreases Increases Become zero 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 1.4 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 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 6 kWh 3.2 kWh 5 kWh 2 kWh 6 kWh 3.2 kWh 5 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
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