In a circuit containing a pure resistor connected to an $AC$ source,
- AVoltage leads the current by $90^\circ$
- BCurrent leads the voltage by $90^\circ$
- CVoltage and current are in same phase with each other
- DCurrent leads the voltage by $180^\circ$
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Similar Questions
$A$ $15.0 \; \mu F$ capacitor is connected to a $220 \; V, 50 \; Hz$ source. Find the capacitive reactance and the current ($rms$ and peak) in the circuit. If the frequency is doubled,what happens to the capacitive reactance and the current?
Medium
View Solution$A$ $10 \mu F$ capacitor is connected to a $210 \text{ V}, 50 \text{ Hz}$ source as shown in the figure. The peak current in the circuit is nearly $(\pi = 3.14)$ : (in $\text{ A}$)
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View SolutionIn an a.c. circuit with pure capacitance $C$ and a.c. source $E = E_0 \sin \omega t$, the equation of instantaneous current is given by
$A$ $0.7\,H$ inductor is connected across a $120\,V, 60\,Hz$ $AC$ source. The current in the inductor will be very nearly: (in $,A$)
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View SolutionCapacitive reactance of a capacitor in an $AC$ circuit is $3 \ k\Omega$. If this capacitor is connected to a new $AC$ source of double frequency,the capacitive reactance will become:
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