Skip to content
MCQtimes.com
GK
Pakistan Studies
Current Affairs
Islamic Studies
English
MCQtimes.com
Toggle Menu
Electric Circuits and Currents
Home
/
General Science
/
General Science for Class 7
/
Electric Circuits and Currents
- Page 3
Show/Hide Answers
Electric Circuits and Currents
As electrons pass through a bulb, they use
energy
charge
power
resistance
Author:
rikazzz
Comment
Electric Circuits and Currents
For protection of electrical appliances
resistors can be used
fuses can be used
thick wires can be used
thin wires can be used
Author:
rikazzz
Comment
Electric Circuits and Currents
The current which flows through each component of a series circuit is
same
different
greater
lesser
Author:
rikazzz
Comment
Electric Circuits and Currents
Good electrical conductors slow down the movement of
electrons
protons
neutrons
photons
Author:
rikazzz
Comment
Electric Circuits and Currents
The flow of electrons in a wire is known as
electric current
magnetic current
ionic current
atomic current
Author:
rikazzz
Comment
Electric Circuits and Currents
In 1 minute, a 500W toaster consumes five times more energy than a
200W kettle
1000W iron
100W bulb
25W LED bulb
Author:
rikazzz
Comment
Electric Circuits and Currents
If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the
resistance of appliance
length of wire of appliance
power of the appliance
mass of the appliance
Author:
rikazzz
Comment
Electric Circuits and Currents
The magnetic field of the coil and the permanent magnet
attract each other
repel each other
combine with each other
stay with each other
Author:
rikazzz
Comment
Electric Circuits and Currents
When water is electrolyzed, the gas collected at cathode, is
sulphur
oxygen
hydrogen
sulphur dioxide
Author:
rikazzz
Comment
Electric Circuits and Currents
Compared to long thick wire of copper, the short but thick wire would have
more resistivity
less resistivity
equal resistivity
may have more or less resistivity
Author:
rikazzz
Comment
Page navigation
Previous Page
Previous
1
2
3
4
5
…
32
Next Page
Next
Go to Page
Light
Dark
GK
Pakistan Studies
Current Affairs
Islamic Studies
English