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 12
Show/Hide Answers
Electric Circuits and Currents
The use of electrical energy
costs money
causes cancer
causes heart disease
lung cancer
Author:
rikazzz
Comment
Electric Circuits and Currents
The name of English scientist who invented first practical motor is
Isaac Newton
Thomas Silva Edison
William Sturgeon
Vander Waal
Author:
rikazzz
Comment
Electric Circuits and Currents
To which level, the current slows down depends on
two things
three things
five things
six things
Author:
rikazzz
Comment
Electric Circuits and Currents
A component which provides resistance is called
heat
energy
product
resistor
Author:
rikazzz
Comment
Electric Circuits and Currents
The SI unit for electric current is
joule
watt
volt
ampere
Author:
rikazzz
Comment
Electric Circuits and Currents
Two or more cells when connected in series make a
battery
circuit
terminal
resistor
Author:
rikazzz
Comment
Electric Circuits and Currents
To prevent overload and overheating of wires
fuses are used
circuit breakers are used
fuses and circuit breakers are used
fuses and resistor are used
Author:
rikazzz
Comment
Electric Circuits and Currents
A material which loses electrons, becomes
positively charged
negatively charged
neutral
both positively and negatively charged
Author:
rikazzz
Comment
Electric Circuits and Currents
The heating element of electric appliances like iron, hair driers, kettles and toasters use
thick copper wire
thick nichrome wire
thin copper wire
thin nichrome wire
Author:
rikazzz
Comment
Electric Circuits and Currents
Variable resistors can be used to
dim the light
change the color of light
change the position of light
change the properties of light
Author:
rikazzz
Comment
Page navigation
Previous Page
Previous
1
…
10
11
12
13
14
…
32
Next Page
Next
Go to Page
Light
Dark
GK
Pakistan Studies
Current Affairs
Islamic Studies
English