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The Magnetic Effect of Electric Current
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1)
When electric current flows through a wire wound around an iron bar, the bar behaves like a magnet. This magnet is called an
2)
An electromagnet is formed due to the magnetic effect of
3)
The electric bell consists of coil which act as
.
4)
Take a nail and wind a copper wire around it without any overlap, as shown in the figure.This is the___.
Construction of an Electromagnet.
Construction of a coil.
Construction and Working of an Electric Bell Circuit.
5)
One end of the coil is connected to one terminal of a battery, and the other end to a steel rod that acts like a spring for the hammer touching the screw contact.
False
True
6)
Power Lift, Electric bell, Electric Fan are the applications of
Effect of Electric current.
7)
Electric current flows through the coil when the switch is ON, and the iron core acts as an electromagnet
True
False
8)
The hammer hits the bell and produces a electromagnet
True
False
9)
The hammer is pulled back to its original position due to the
of the steel rod, and then touches the contact again to complete the circuit.
10)
The circuit is completed and current flows through the coil again, and the hammer strikes the bell again.
False
True
Cite this Simulator:
aven.amritalearning.com,. (2013). The Magnetic Effect of Electric Current. Retrieved 16 August 2018, from aven.amritalearning.com/?sub=100&brch=295&sim=1480&cnt=3410
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