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Questions and Answers

Why are slip rings used in the setup described in the text?

To control the turning direction of the lamp
To allow the alternator to rotate while maintaining electrical connection (correct)
To adjust the speed of the transformer
To provide a stable platform for the alternator

What happens when the alternator handle is disconnected from the transformer and lamp?

The transformer stops functioning
The lamp gets brighter
The handle of the alternator becomes easier to turn (correct)
The alternator stops rotating

Which component is responsible for converting mechanical energy into electrical energy in this setup?

Transformer
Lamp
Alternator (correct)
Slip rings

What happens to the handle of the alternator when it is disconnected from the load?

It becomes easier to turn (D) Signup and view all the answers

If slip rings were not used, what would happen when trying to turn the alternator handle?

Electrical connection would be lost (A) Signup and view all the answers

Why is it important for the alternator handle to be easier to turn when disconnected from the load?

To ensure safety (D) Signup and view all the answers

What is the purpose of the slip rings in the portable power supply?

To allow the alternator to rotate freely (D) Signup and view all the answers

How can the number of turns on the secondary coil of the transformer be adjusted?

By physically adjusting the number of turns on the secondary coil (A) Signup and view all the answers

What is the purpose of adjusting the number of turns on the secondary coil of the transformer?

To change the voltage of the output (A) Signup and view all the answers

What is the effect of increasing the speed of the alternator in the portable power supply?

It will increase the current output of the alternator (A) Signup and view all the answers

What is the purpose of connecting a lamp to the portable power supply?

To provide a load for the portable power supply (C) Signup and view all the answers

How can the resultant force on the bolt be increased?

By increasing the mass of the bolt (A) Signup and view all the answers

What is the purpose of the slip rings in the alternator?

To collect the induced current and transfer it to the external circuit (C) Signup and view all the answers

Why does turning the handle of the alternator cause an alternating current to be induced in the coil?

The changing magnetic field inside the alternator induces an alternating current in the coil (D) Signup and view all the answers

What is the relationship between the number of turns on the primary and secondary coils of the transformer?

The number of turns on the secondary coil is greater than the number on the primary coil (B) Signup and view all the answers

What is the potential difference required by the lamp?

$5.0 \text{ V}$ (D) Signup and view all the answers

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