For the circuit both meters are idealized, the battery has no appreciable internal resistance, and the ammeter reads 1.25 .
What does the voltmeter read?
What is the emf of the battery?
I tried this:
15 ohm and 10 ohm resistors are in series, hence equivalent to 25 ohm.
Three...
What is the period T of the wave ?
If i am given:
Maximum electric field of 2450 V/m
Wavelength of 547 nm
I found:
Angular Wave # 1.15*10^7
Angular Frequency 3.45*10^15
Velocity of Electromagnetic Wave 3*10^8 m/s
B max of 8.17*10^-6 T
Intensity of 7960 W/m^2
I tried to solve...
A capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has radius 12.5 cm , and the outer sphere has radius 16.5 cm . A potential difference of 100 V is applied to the capacitor.
What is the energy density at r = 12.6 cm , just outside...
when there hooked up together the volt reads 50, when dielectric is put in volts reads 11.5 so a difference of 38.5 Volts. Does this have anything to do to get the answer?
shouldn't it be 7.7 because when the dielectric is completely fills the space it reads 11.5 so then if we pull 1/3 of it out then 2/3 is still fills the space so 11.5/3=3.83, 3.83 *2= 7.7. I know its wrong but is my assumption wrong as well?
With the formula that you provided by equation will look like this:
1.05*10^-9= 8.85*10^-12 *3.70* A / 2.94*10^10 so i just solve for A? then my final answer would be final answer was 9.47*10^-11 still wrong