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Questions on topic Electromagnetic induction

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Q1. What is electromagnetic induction?
The process of generating an electric current from a changing magnetic field
The process of generating a magnetic field from an electric current
The process of generating light from an electric current
The process of generating heat from a magnetic field
Q2. Who discovered electromagnetic induction?
Isaac Newton
James Clerk Maxwell
Michael Faraday
Nikola Tesla
Q3. Which law quantifies the induced electromotive force (emf) in a loop due to a change in magnetic flux?
Faraday's Law
Ohm's Law
Gauss's Law
Ampere's Law
Q4. According to Faraday's Law, the induced emf in a coil is proportional to the rate of change of what?
Electric current
Magnetic flux
Resistance
Capacitance
Q5. What is Lenz's Law?
The law that states that current always flows from positive to negative terminals
The law that states that the direction of induced current opposes the change in magnetic flux that produced it
The law that states that the total current in a circuit is equal to the sum of individual currents
The law that states that the magnetic field in a coil is proportional to the current passing through it
Q6. Which of the following devices operates on the principle of electromagnetic induction?
Transformer
Battery
Capacitor
Resistor
Q7. In a generator, mechanical energy is converted into electrical energy by:
Electrolysis
Electromagnetic induction
Thermal conduction
Chemical reaction
Q8. What is the SI unit of magnetic flux?
Tesla
Weber
Henry
Joule
Q9. Which of the following factors does NOT affect the magnitude of induced emf in a coil?
The number of turns in the coil
The cross-sectional area of the coil
The rate of change of magnetic flux
The color of the coil
Q10. If the magnetic flux through a coil changes from 5 Weber to 2 Weber in 2 seconds, what is the induced emf?
1.5 V
2.5 V
3 V
1 V