Advertisements
Advertisements
प्रश्न
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
Advertisements
उत्तर
Given, potential difference (V) = 12 V
Resistance, R = 24 Ω
Therefore, current (I) = `"V" / "R"`
Or, I = `12/24` = 0.5 A
APPEARS IN
संबंधित प्रश्न
What is an electric cell?
In the electric circuit shown in Figure, label the parts A, B, C, D, E, and F. State the function of each part. Show in the diagram the direction of flow of current.

The unit of potential difference is :
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at higher potential before electrical contact on the basis of convention?
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
What is the potential of the spheres after electrical contact?
What do you understand by the term electric potential?
How many electrons constitute one unit electric charge in SI system?
State two characteristics of resistances in the series circuit.
