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Unlike charges:
The device used to measure electric current in a circuit is called a:
Like charges:
The device used to measure potential difference in a circuit is called a:
The device that converts electrical energy into mechanical energy is called a:
A magnetic field is produced around a conductor when it carries:
The device that converts mechanical energy into electrical energy is called a:
The right-hand rule is used to determine the direction of:
A transformer works on the principle of:
Which material is generally used as an insulator?