Electric current and its effects
Quiz
•
Science, Physics
•
7th Grade
•
Medium
Mahek Khan
Used 322+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who discovered the magnetic field of electric current?
Hans Christin Oyster
James Kristin Oersted
Lans Christin Oestred
Hans Christian Oersted
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where can the key or switch be placed in the circuit?
The left side of the battery
The right side of the battery
Can be placed anywhere in the circuit
Near the positive terminal of the bulb
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of heat produced in a wire depends on
material
length
thickness
all of these
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an electric current flows through a copper wire AB as shown in Figure, the wire:
deflects a magnetic needle placed near it
becomes red hot
gives electric shock
behaves like a fuse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The coil of wire contained in an electric heater is known as
component
element
circuit
spring
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following is based on the heating effect of current?
Geyser
Hair-dryer
Electric Kettle
All of the options
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In making a battery
(a) the positive terminal of one cell is connected to the negative terminal of the next cell
(b) the positive terminal of one cell is connected to the positive terminal of the next cell
(c) the negative terminal of one cell is connected to the negative terminal of the next cell
(d) none of the above
a
b
c
d
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