Phase relation between current and voltage in a pure inductor, capacitor or resistor

1. A.
   Figure (D)
2. B.
   Figure (B)
3. C.
   Figure (A)
4. D.
   Figure (C)

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1. A.
   $I = E_{0}\omega csin(\omega t)$
2. B.
   $I = E_{0}\omega c\sin\left( \omega t + \frac{\pi}{2} \right)$
3. C.
   $\ I = \frac{E_{0}}{\omega c}\sin(\omega t)$
4. D.
   $\ I = \frac{E_{0}}{\omega c}\sin\left( \omega t + \frac{\pi}{2} \right)$

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1. A.
   leads the voltage by $\left( \frac{\pi}{4} \right)^{c}$
2. B.
   leads the voltage by $\left( \frac{\pi}{2} \right)^{c}$
3. C.
   lags behind the voltage by $\left( \frac{\pi}{2} \right)^{c}$
4. D.
   lags behind the voltage by $\left( \frac{3\pi}{4} \right)^{c}$

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1. A.
   both are out of phase with each other in ' R '.
2. B.
   both are in phase in 'L' and out of phase in 'C'.
3. C.
   both are out of phase in ' $L$ ' and in phase in 'C'.
4. D.
   both are out of phase in both ' $C$ ' and ' $L$ '.

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1. A.
   $I = E_0\omega C\cdot\sin(\omega t)$
2. B.
   $I = E_0\omega C\sin\left(\omega t + \dfrac{\pi}{2}\right)$
3. C.
   $I = \dfrac{E_0}{\omega C}\sin(\omega t)$
4. D.
   $I = \dfrac{E_0}{\omega C}\sin\left(\omega t + \dfrac{\pi}{2}\right)$

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1. A.
   (C)
2. B.
   (A)
3. C.
   (B)
4. D.
   (D)

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