MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Phasor Diagrams in AC Circuits

In an ac circ...

Question

In an ac circuit, the instantaneous current is zero when the instantaneous voltage is maximum. Circuitelement may be

A

R

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

L

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

C

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

Combination of L and C

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct options are
B L
C C
In a pure inductive or pure capacitive circuit current leads/lags the voltage by $90^{0}$ , thus, when instantaneous current is zero voltage is maximum.

Suggest Corrections

thumbs-up

0

Similar questions

Q. In an AC series circuit, the instantaneous current is zero when the instantaneous voltage is maximum, the circuit may be

Q. In an AC series circuit, the instantaneous current is zero when the instantaneous voltage is maximum. Connected to the source may be a [more than one option may be correct]

Q. In an AC series circuit, the instantaneous current is zero when the instantaneous voltage is maximum. Connected to the source may be a

(a) pure inductor
(b) pure capacitor
(c) pure resistor
(d) combination of an inductor and a capacitor

A C

circuit contains a capacitor of capacitance

C = 100 μ F

only. If the instantaneous current in the circuit is

i = 1.57 sin 100 π t

. The expression for the instantaneous voltage,

E

at this instantacross the capacitor will be

Q. In an ac circuit, the applied instantaneous voltage equal to the algebraic sum of the instantaneous voltages across the series elements of the circuit? IS the same true for rms voltage?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Phasors and Phasor Diagrams

PHYSICS

Watch in App

explore_more_icon

Explore more

Phasor Diagrams in AC Circuits

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon