WorksheetsElectric currents and its effects.
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
Who discovered the electric cell?
a)
Hans Christian Oersted
b)
Alessandro Volta
c)
Thomas Edison
d)
Alexander Graham Bell
2.
Which of the following is used as a safety device?
a)
Resistor
b)
Bulb
c)
Fuse
d)
Switch
3.
Which mark is present on electric appliances to ensure their safety?
a)
MCB
b)
FSSAI
c)
ECB
d)
ISI
4.
Which works on the heating effect of electricity.
a)
Gas chulha
b)
Chimney
c)
Electric Bell
d)
None of These
5.
Who discovered Magnetic effect of current?
a)
Nikola Tesla
b)
Charles Lyell
c)
Hans Christian Oersted
d)
Charles Darwin
6.
Which works does not work on magnetic effect of current
a)
Both A and B
b)
Electric bell
c)
Electromagnet
d)
Electric Heater
7.
Which part of the electric bell gets attracted towards the electromagnet
a)
Hammer
b)
Gong
c)
Iron Strip
d)
rod
100 %
