IGCSE Physics- Dynamos and Transformers
- Created by: orielegrigg
- Created on: 04-05-16 21:42
Other questions in this quiz
2. In a GENERATOR the brushes connect the spinning slip rings to
- the magnetic field where the coil spins inside it
- the external circuit
- the coil
3. How do transformers REDUCE THE CURRENT?
- Increase the voltage
- Decrease the voltage
- Increase the electrical charge
4. Electrical power =
- Current * resistance
- Voltage * current
- Voltage / current
5. Which of these is NOT a way to increase the induced voltage in a GENERATOR?
- increase the current through the wires
- using a magnet with a stronger magnetic field
- turning the magnet/coil faster
- having more turns and an iron core in the coil
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