Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Resistivity Current density None of the listed here Resistance Resistivity Current density None of the listed here Resistance 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 5 kWh 2 kWh 3.2 kWh 6 kWh 5 kWh 2 kWh 3.2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Capacitance Reluctance Resistance Inductance Capacitance Reluctance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP