Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will None of these Remain constant Decrease Increase None of these Remain constant Decrease Increase 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 Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl None of them ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses kWh consumed Input power True component of power Losses kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Strength of current Power Quantity of electricity Energy Strength of current Power Quantity of electricity ANSWER DOWNLOAD EXAMIANS APP
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