The plug-in transformer for a laptop computer puts out 22.5 V and can supply a maximum current of 3.00 A. Find   the maximum input current if the input voltage is 240 V.

A 14.0 mH inductor makes the current drop from 178 mA to 66.0 mA in only 10.0 μs. What is the potential difference across the inductor? 0.00157 V -92.4 V -249 V 157 V

Two step-up transformers are connected in series, the secondary of the first to the primary of the second. Both transformers have a turns ratio of 1:5 (primary:secondary). What will be the output voltage, Vout, when an input voltage of 12.0 V AC is applied? Vout = [?] V Voltage (V) Enter

A 120-V AC input is given to the primary of an ideal transformer with 800 loops at the primary and 200 loops at the secondary. What is the voltage at the secondary side? ○ 40 V ○ 480 V 120 V ○ 30 V

A transformer has 100 turns on the primary and 300 turns on the secondary. The primary rms voltage is 12 V and the load is 30 ohms. Find the rms voltage across the load, the rms current through the load, and the rms current in the primary. O 36 V, 1.2 A, 3.6 A O 4V, 0.13 A, 0.4 A O 36 V, 0,4 A, 1.2 A O 36 V, 1.2 A, 1.2 A

If the peak voltage of a 100 Hz AC generator is 280 V, what is the instantaneous voltage after the single-turn generator has rotated 210 degrees?

A neon sign transformer has a 520W520W AC output with an rms voltage of 17 kVkV when connected to a normal household outlet. There are 500 turns of wire in the primary coil. How many turns of wire does the secondary coil have? Express your answer as the number of the turns.     When the transformer is running at full power, what is the current in the secondary coil? Express your answer in amperes.   The current in the primary coil? Express your answer in amperes.

The primary circuit in a transformer carries a current of 4.0 A at 120 V. The secondary circuit of a transformer carries 1.0 A of current. If only 90.0 % of the power is transmitted from the primary circuit to the secondary circuit, what is the voltage of the secondary circuit?

The AC EMF in this electric circuit is described by the following equation: E = 15Ve(20)t What is the average power (in W) supplied by the EMF? 10 mF M 252 252 000 100 mH