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3Magnetic field_Electrical measurment instruments_Appendix.docx
1. The direction of the Ampere force is determined by the rule
A) Gimlet
B) Left hand
C) Lenz
D) Right hand
2. A machine that converts electrical energy into mechanical energy.
A) Ammeter
B) Generator
C) Speaker
D) Electric motor
3. The use of force acting on a conductor with a current in a magnetic field is NOT used in ...
A) Voltmeter
B) Loudspeaker
C) Manometer
D) Microphone
4. The orienting effect of the magnetic field on the circuit with current is used in ...
A) Loudspeaker ya
B) Microphone ah
C) Phones
D) Electrical measuring instruments
5. Oscillations of the coil in time with the oscillations of the current transmitted to the diaphragm, from the surface of which sound waves radiate occur in ...
A) Ammeters
B) Volmeters
C) Generators
D) Loudspeakers
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