Current Electricity One Newton meter is same as One joule second One watt Five joules One joule One joule second One watt Five joules One joule 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 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 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 SI unit of power is Henry Watt Coulomb Watt-hour Henry Watt Coulomb Watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl Either Rl or Ri None of them Ri Rl Either Rl or Ri None of them Ri ANSWER DOWNLOAD EXAMIANS APP