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Science
10th
grade
Electric Generator | Magnetic Effects of Electric Current | Assessment | English | Grade 10
4 questions
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- 1. Multiple Choice
Choose the correct option: Assertion(A): Electricity is produced when a moving conductor is placed in the magnetic field. Reason (R): Fleming's right hand rule is used to find the direction of induced current in the circuit.
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
Both A and R are false
- 2. Multiple Choice
The currents which change their direction after an equal interval of time are known as
AC
DC
AC Generator
DC Generator
- 3. Multiple Choice
Which statement is true for inverters used in houses?
To make sure a continuous power supply even without charging
The inverter having 1 KW rating can generate enough electricity which can be used to run appliances at the same time: Fan (200W), Tubelight (50W), Mixer(900W).
To convert the direct current from the battery to alternating current.
It does not change current from one form to another
- 4. Multiple Choice
Conductor in the generator revolves ______________ .
with the help of the magnetic source
with the help of the axle which is connected to an internal combustion engine which uses the fuels to function
with the help of the electromagnets without electricity
None of these
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