Ammeter is to measure the ().
A、current
B、voltage
C、power
D、frequency
A、current
B、voltage
C、power
D、frequency
A、used to measure the speed of wind B、in which the pressure of air is measured C、that tells which dirction a storm is coming from D、used to measure the height of waves
A、used to measure the speed of wind B、in which the pressure of the air is measured C、that tells which direction a storm is coming from D、used to measure the height of waves
A、the voltage between two points in a circuit B、circuit continuity C、current flow in a circuit D、total or partial circuit resistance
A、both meters in series with the resistance B、both meters in parallel with the resistance C、the ammeter in series and the voltmeter in parallel with the resistance D、the ammeter in parallel and the voltmeter in series with the resistance
A、A safety line attached to a man working over the side B、Used to measure water depth C、Used to slow the headway of a barge D、Used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge