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The coil of wire gets heated when electric current passes through it is know as
Heating effect of the electric current
A _________ is a safety device which prevents damages to electrical circuits and possible fires.
Fuse
The amount of heat produced in the coil of wire depends on
Type of Material, Length and Thickness of the Material.
Who was the first person to notice the deflection of compass needle everytime the current passes through the wire.
Hans Christian oersted
If a positive terminal of one cell is connected to the negative terminal of the next cell it is known as
Battery
Direction of magnetic field produced by a current carrying loop can be found by using
Right Hand Thumb Rule
Magnetic field inside a long solenoid carrying current is
same at all points (uniform)
A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid will
Increases
Connection of more than one device/ appliance to a single socket is called-
Overloading
The heating effect of an electric current is used in
Hair dryer, Electric Iron, Room Heater etc
The purpose of a __________ is to control whether a circuit is closed or open.
Electric Switch


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