MyQuestionIcon

1

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

Kirchhoff's Junction Law

In a circuit,...

Question

In a circuit, the value of the alternating current is measured by hot wire ammeter as $10$ ampere. Its peak value will be

A

10 A

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

B

20 A

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

C

14.14 A

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

D

7.07 A

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

Open in App

Solution

The correct option is C $14.14 A$
We know,
$\begin{matrix} I_{max} = \sqrt{2} \times 10 = 14.14 A O p t i o n (C) i s c o r r e c t . \end{matrix}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. The root-mean-square value of an alternating current of

50 H z

10

ampere. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be:

Q. The r.m.s value of an alternating current of

50 H z

10 A

. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be :

Q. The rms value of the current in a wire which carries a d.c current of 10A and a sinusoidal alternating current of peak value 20 A is

Q. Two alternating currents having the value

I_{1} = 3 sin ω t

I_{2} = 4 sin (π / 2 - ω t)

are superimposed and passed through a hot wire ammeter. Then the reading of the ammeter will be

Q. An AC ammeter is used to measure current in a circuit. When a given direct constant current passes through the circuit, the AC ammeter reads

3

ampere. When an alternating current passes through the circuit, the AC ammeter reads

4

ampere. Then the reading of this ammeter if DC and AC flow through the circuit simultaneously is:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Kirchhoff's Junction Law

PHYSICS

Watch in App

explore_more_icon

Explore more

Kirchhoff's Junction Law

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon