At rms voltage (
) = 39.59V resistor will dissipate 14.0W.
The term "alternating current" (AC) describes a current in which the voltage and current both take the shape of sinusoidal waves. Root mean square value is indicated by the letter "rms." Both the mean voltage and mean current of an alternating circuit are represented by it.
Also, power dissipated is
P = 
/ R
2 = 
/ R
2 = 
R = 112Ω
If P = 14 W,
= PR
= 14×112
= √1568 = 39.59V
Therefore, at rms voltage () = 39.59V resistor will dissipate 14.0W.
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1 watch look and listen.
2 recognize evaluate and control.
3 stop think and start.
Answer:
Explanation:
Given that
Stored energy ,
Angular speed ,
Lets take moment of inertia of the flywheel = I
As we know that stored energy in the flywheel is given as
Now by putting the values in the above equation we get
Therefore the moment of inertia of the flywheel will be
The answer will be C.
Apply the equation of momentum:
Momentum = mass x velocity
P=mxv
V= P/m = 4.5/1.5 = 3m/s
