Current Electricity Specific resistance of a substance is measured in m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased Length of heating element should be increased Length of heating element has no effect on heating if water None of these Length of heating element should be decreased Length of heating element should be increased Length of heating element has no effect on heating if water None of these 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 None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri Rl Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 9.6 A 6.4 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Manganin Nichrome Constant Copper Manganin Nichrome Constant Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from AC supply only All of the listed here DC supply only Battery supply only AC supply only All of the listed here DC supply only Battery supply only ANSWER DOWNLOAD EXAMIANS APP