Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
The potential difference between two points may be defined as the work done in moving a unit positive charge from one point to the other.
APPEARS IN
संबंधित प्रश्न
Name the S.I unit of electrical energy. How is it related to Wh?
Distinguish between kilowatt and kilowatt-hour.
Two resistors A and B of resistance 4 Ω and 6 Ω respectively are connected in parallel. The combination is connected across a 6 volt battery of negligible resistance. Calculate: (i) the power supplied by the battery, (ii) the power dissipated in each resistor.
An electric bulb marked 220 V, 100 W will get fused if it is made to consume 150 W or more. What voltage fluctuation will the bulb withstand?
What is wrong with the circuit diagram (Fig. 34)? Carefully check the symbols and assign proper positive and negative signs to them.
Name two common material used for heating elements.
What is the function of the split rings in a d.c. motor?
A student wants to use an electric heater, an electric bulb and an electric fan simultaneously.
How should these gadgets be connected with the mains? Justify your answer giving three reasons.
