Advertisements
Advertisements
Question
Complete the following table. The first answer has been given as an example
Quantity | Unit |
(a) Electrical potential Volt ( b) Resistance ( c) Power ( d) Energy ( e) Resistivity |
Volt ........ .......... ............ .............. |
Solution
Quantity | Unit |
1. Electrical potential | volt |
2. Resistance | ohm |
3. Power | watt |
4. Enerqy | Joule |
5. Resistivity | Ohm-meter |
APPEARS IN
RELATED QUESTIONS
If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
An auto lamp is joined to a battery of e.m.f. 4 V and internal resistance 2.5Ω. A steady current of 0.5 A flows through the circuit. Calculate the
(a) Total energy provided by battery in 10 minutes,
(b) Heat dissipated in the bulb in 10 minutes.
State the S.I. units of electrical power.
A battery of e.m.f. 15 V and internal resistance 2 Ω is connected to two resistors of resistances 4 ohm and 6 ohm joined (a) in series. Find in each case the electrical energy spent per minute in 6 Ω resistor.
State the condition when it is advantageous to connect cells in series.