# Physics

A generator’s maximum is 220 V. What is the rms potential difference?
I believe the answer is 160.

A. 110 V
B. 150 V
C. 160 V
D. 310 V

1. 👍 0
2. 👎 0
3. 👁 32
1. I agree.
approximately, if rounding to nearest 10V
for sine wave.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics 102

The output voltage of an AC generator is given by Δv = (180 V) sin (70πt). The generator is connected across a 13.0-Ω resistor. (a) By inspection, what is the maximum voltage? V (b) By inspection, what is the frequency? Hz (c)

asked by Matt Will on August 9, 2012
2. ### Physics

A 4.65-μF and an 9.30-μF capacitor are connected in series to a 60.0-Hz generator operating with an rms voltage of 111 V. What is the rms current supplied by the generator? The capacitors are in series so I used C = C1*C2/(C1 +

asked by Alli on July 13, 2016
3. ### Physics

In a hydroelectric installation, a turbine delivers 1500 hp to a generator, which in turn transfers 80.0% of the mechanical energy out by electrical transmission. Under these conditions, what current does the generator deliver at

asked by Jasmine on February 16, 2015
4. ### Physics

An inductor is in the built in the shape of a solenoid of radius 0.20 cm, length 4.0 cm, with 1000 turns. This inductor is connected to a generator supplying an rms voltage of 1.2×〖10〗^(-4) V AC at an angular frequency of

asked by Lee on April 25, 2010
5. ### physics

Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor is connected between the

asked by derek on November 13, 2012
6. ### PHYSICS

Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor is connected between the

asked by HELP !!!! on February 12, 2013
7. ### physics

A generator uses a coil that has 280 turns and a 0.45-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (an approximation),

asked by james on October 21, 2011
8. ### Physics

An ac generator supplies an rms voltage of 5.00 {\rm V} to an RL circuit. At a frequency of 21.0{\rm kHz} the rms current in the circuit is 45.0 {\rm mA}; at a frequency of 26.0{\rm kHz} the rms current is 40.0 {\rm mA}. Find

asked by AJ on July 30, 2012
9. ### Physics 2

Explain briefly the workings of electrical transformer, both step-up and step-down In a step-up transformer, compare the secondary voltage and current to the corresponding primary values. Explain briefly how transformers minimize

asked by seanmarch58 on July 28, 2014
10. ### physics

A source of instantaneous potential V = 10sin(50pi t) is connected across a capacitor of capacitence 1 times 10power negative 6 F. calculate the maximum value of the current and phase difference between the current and the

asked by Allan on April 18, 2012
11. ### physics (thxs again)

Thank you for the help :) A certain sample carries a current of 4A when the potential difference is 2V and a current of 10A when the potential difference is 4V. This samples is: a) obeys ohm's law b) has a resistance of 0.5 ohms

asked by susan on March 14, 2007

More Similar Questions