1) how do the inductor of DC relay works on constant DC supply ??
2)why is the power loss of the high supply line is taken as PL=I^2*R not as PL=V^2/R ??
3)how can we vary amplitude in amliptude stablized ocillation after all we have to maintain Av*B(beta)=1(LOOP GAIN=1 ) ...as Av depends upon amplitude...why not the oscillation hitting the power supply ??
4) will IC-741 (opamp) shows a linear characterstics or non-linear characterstics ??
Re: 4 logical confusing question for me..help me if u can...
1)current thru loops of wire forms magnetic field
2)you are wrong, they are the same
3)vary supply voltage to vary device compression point or add a variable attenuator AFTER oscillator
4)741, do they still make those? All devices on this planet show non-linear characteristics.
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2, most of the power loss on the supply line is converted into heat and formulated by Joule's as Q=I^2*R*t, and P=I^2*R represents the rate of heat dissipation. In the context of resistive circuits where the Ohm's is applicable, P=I^2*R=V^2/R. In more general cases, P=V*I is always applicable.
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Re: 4 logical confusing question for me..help me if u can...
how come the power loss in high power PL=I^2 *R N PL=V^2/R are the same ?? .....because the numerical value becomes different v=66000V where as current flowing is just 5 A ??