Current Electricity A closed switch has a resistance of About 500 ohms About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Nickel Tungsten Steel Aluminium Nickel Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance A conductor An insulator 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. Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium 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 2 kWh 5 kWh 3.2 kWh 6 kWh 2 kWh 5 kWh 3.2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS