A 120-V rms voltage at 60 Hz is applied across an RC circuit. The rms value of the current in the circuit is 0.60 A, and it leads the voltage by 60°. What is the resistance in this circuit?

A) 100 ? B) 60 ? C) 150 ? D) 200 ? E) 120 ?


A

Physics & Space Science

You might also like to view...

Explain the sequence of fusion shell formation in massive stars and thus the generation of nested shells

What will be an ideal response?

Physics & Space Science

If the zeroth law of thermodynamics were not valid, which of the following could not be considered a property of an object?

A. Pressure B. Center of mass energy C. Internal energy D. Momentum E. Temperature

Physics & Space Science

A +2.0-nC point charge is placed at one corner of a square (1.5 m on a side), and a ?3.0-nC charge is placed on a corner diagonally away from the first charge. What is the magnitude of the electric field at either of the two unoccupied corners?

A. 20 N/C B. 14 N/C C. 4.0 N/C D. 12 N/C E. 8.0 N/C

Physics & Space Science

Originally 2.00 mol of gas are at standard temperature and pressure If the temperature changes to 47.0°C and the pressure decreases to half of what it was, how many liters do the two moles now occupy? (1 atm = 101 kPa, R = 8.31 J/mol ? K)

What will be an ideal response?

Physics & Space Science