In $ac$ circuit when $ac$ ammeter is connected it reads $i$ current if a student uses $dc$ ammeter in place of $ac$ ammeter the reading in the $dc$ ammeter will be:
In $ac$ circuit when $ac$ ammeter is connected it reads $i$ current if a student uses $dc$ ammeter in place of $ac$ ammeter the reading in the $dc$ ammeter will be:
- A
$\frac{i}{{\sqrt 2 }}$
- B
$\sqrt 2 \,i$
- C
$0.637\, i$
- D
zero
Similar Questions
If an alternating voltage is represented as $E = 141\,sin\, (628\,t),$ then the rms value of the voltage and the frequency are respectively
If an alternating voltage is represented as $E = 141\,sin\, (628\,t),$ then the rms value of the voltage and the frequency are respectively
In a circuit, the value of the alternating current is measured by hot wire ammeter as $10$ ampere. Its peak value will be......$A$
In a circuit, the value of the alternating current is measured by hot wire ammeter as $10$ ampere. Its peak value will be......$A$
A direct current of $5\,A$ is superposed on an alternating current $I =10 \sin \omega t$ flowing through the wire. The effective value of the resulting current will be
A direct current of $5\,A$ is superposed on an alternating current $I =10 \sin \omega t$ flowing through the wire. The effective value of the resulting current will be
The process by which $ac$ is converted into $dc$ is known as
The process by which $ac$ is converted into $dc$ is known as
An $ac$ generator produced an output voltage $E = 170\,sin \,377\,t\,volts$, where $ t $ is in seconds. The frequency of $ac$ voltage is......$ Hz$
An $ac$ generator produced an output voltage $E = 170\,sin \,377\,t\,volts$, where $ t $ is in seconds. The frequency of $ac$ voltage is......$ Hz$