The expression for the steady-state voltage and current at


The expression for the steady-state voltage and current at the terminals of a given circuit are,
V(t)=170cos(120pt + 50°)volts
i(t)=40sin(120pt+68°)amps
1-What is the phase difference between the voltage and current?
2-Is the current lagging the voltage or leading the voltage?

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Electrical Engineering: The expression for the steady-state voltage and current at
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