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CBSE Class 12-science Answered

what is meant by electric power
Asked by suresh.garaga1976 | 01 Jun, 2021, 09:27: AM
answered-by-expert Expert Answer

Electric power is the  work done (work done to take charge from one end to another) per unit time. Its SI unit is the watt (W).

begin mathsize 12px style Electric space power space space left parenthesis straight P right parenthesis equals fraction numerator Electric space work space left parenthesis straight W right parenthesis over denominator Time space left parenthesis straight t right parenthesis end fraction end style

Answered by Shiwani Sawant | 01 Jun, 2021, 10:40: AM

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CBSE 12-science - Physics
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CBSE 12-science - Physics
what is meant by electric power
Asked by suresh.garaga1976 | 01 Jun, 2021, 09:27: AM
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CBSE 12-science - Physics
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Asked by arushidabhade | 30 Jul, 2020, 10:34: PM
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CBSE 12-science - Physics
You are given 48 cells each of 1.48 volt and resistance 0.3 ohm. How would you arrange them to produce greatest current in a circuit of 5 ohm resistance?
Asked by mridulabarua05 | 06 Feb, 2019, 09:53: AM
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CBSE 12-science - Physics
Why we use a combination of cells?
Asked by Topperlearning User | 27 Apr, 2015, 01:12: PM
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CBSE 12-science - Physics
For the series combination of cells, derive the condition in which the current through externally connected resistance is maximum.
Asked by Topperlearning User | 24 Apr, 2015, 03:36: PM
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CBSE 12-science - Physics
Three identical cells, each of emf 2 V and internal resistance 0.2 ohm are connected in series to an external resistor of 5.4 ohm. Calculate the current in the circuit.
Asked by Topperlearning User | 24 Apr, 2015, 03:37: PM
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CBSE 12-science - Physics
In given circuit the cells E1 and E2 have emfs 4 V and 8 V and the internal resistance 0.5 ohm and 10 ohm respectively. Calculate the current in each resistance.
Asked by Topperlearning User | 24 Apr, 2015, 03:47: PM
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CBSE 12-science - Physics
In the circuit shown, each battery is of 5 V and has internal resistance of 0.2 ohm. What will be the reading of an ideal voltmeter connecting across the battery?
Asked by Topperlearning User | 24 Apr, 2015, 03:51: PM
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CBSE 12-science - Physics
In which condition, the cells connected in parallel has maximum current?
Asked by Topperlearning User | 24 Apr, 2015, 03:52: PM
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