EEE :: Current Electricity
- With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals
- The insulation on a current carrying conductor is provided
- When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will
- Which of the following statement is true both for a series and a parallel D.C. circuit?
- Voltage dependent resistors are usually made from
- The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around
- The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is
- In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is
- If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes