A) Ammeters have low resistance and must be connected in parallel. B) Voltmeters have high resistance and must be connected in parallel. C) Ammeters have high resistance and must be connected in series. D) Voltmeters have low resistance and must be connected in series.
A) 167,900 W B) 0.315 W C) 3.17 W D) 168 MW
A) Decreasing the temperature of the wire B) Decreasing the length of the wire C) Changing the type of metal from which the wire is made D) Decreasing the cross sectional area of the wire
A) 2.5V B) 1.25V C) 0.8V D) 8V
A) 345600J B) 9600J C) 5670J D) 580800J
A) Hertz B) Volta C) Galvani D) Newton
A) 2R B) R/4 C) 4R D) R/2
A) R=V/I B) I=VR C) V=IR D) I=V/R
A) mmA B) Ma C) mA D) MA
A) Watt B) kilowatt hour C) Joule D) Coulomb
A) 0.25A B) 4.17A C) 4.0A D) 2.0A
A) 1.0A B) 15A C) 15 mA D) 100 mA
A) it is an electrical conductor B) it has a low melting point C) it has a high resistance D) it has a low resistance
A) down B) clockwise C) up D) anticlockwise
A) 150 000 B) 1 500 000 C) 15 000 D) 1500
A) change electrical energy to heat energy B) change mechanical energy to heat energy C) change electrical energy to mechanical energy D) change mechanical energy to electrical energy
A) change electrical energy to heat energy B) change mechanical energy to electrical energy C) change mechanical energy to electrical energy D) change electrical energy to heat energy
A) 6A B) 0.06A C) 0.006A D) 0.6A
A) True B) False C) Don't know
A) decreases B) Increases C) don't know D) stays the same |