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प्रश्न
Name the instrument used to control the current in an electric circuit.
उत्तर १
A rheostat is used to control current in an electric circuit.
उत्तर २
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
The unit of current is :
Explain the concept of electric potential difference in terms of work done in transferring the charge.
Name the physical quantitiy of which the unit is ampere
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?
What is the other name of a variable resistor?
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
