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7th CBSE
IMPORTANT
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 effect of current was discovered by Hans Christian Oersted in 1820.

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Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 1
Which of the following is used to represent the various components of the circuit?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 2
Which of the following metals can be used to make wires?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 3
 Which of the following statements is correct for the flow of electricity in a circuit?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 4
Which of the following is a feature of the heating filament?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 5
What is the full form of MCB?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 6
Which of the following is used for checking the magnetic effect in a circuit?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 7
Which of the following is a component of an electric bell?
 
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 17 - Electric Current and Its Effects>EXERCISE>Q 8
Electric bell is an example of the different applications of an _____.