Home
Class 12
PHYSICS
An alternating e.m.f. of peak value 350 ...

An alternating e.m.f. of peak value 350 V is applied across an ammeter of resistance 100 ohm. What will be the reading of ammeter ?

Text Solution

Verified by Experts

Here, `E_(0) = 350 V, R = 100 Omega, I_(v) = ?`
`I_(v) = (I_(0))/(sqrt 2) . (E_(0))/(R sqrt 2) = (350)/(100 xx 1.414) = 2.47 A`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Solved Examples (b)|1 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    PRADEEP|Exercise Short Answer Qusetions|2 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos
  • ELECTROMAGNETIC WAVES

    PRADEEP|Exercise II Focus multiple choice question|5 Videos

Similar Questions

Explore conceptually related problems

An alternating emf of peak value 350 V is applied across an a.c. ammeter of resistance 100 Omega . What is the reading of the ammeter?

A voltage , E=60 sin(314t) , is applied across a resistor of 20 Omega . What will be the reading of I_(rms) . (a) in an ac ammeter? (b) in an ordinary moving coil ammeter in series with the resistor?

An inductance of 100 mH and a resistance of 100 Omega are connected in series and an alternating emf of peak value 100 V, 50 Hz is applied across the combination. The power factor of the circuit is

An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 (mu)F capaacitor through an ac ammeter (it reads rms value). What will be the reading of he ammeter?

An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 (mu)F capaacitor through an ac ammeter (it reads rms value). What will be the reading of he ammeter?

An alternating e.m.f. of 0.1 V is applied across an LCR series circuit having R = 2 Omega, C = 40 mu F and L = 100 mH . At resonance, the voltage drop across the inductor is

An alternating voltage given as, V=100sqrt(2)sin100t V is applied to a capacitor of 1muF . The current reading of the ammeter will be equal to ................ mA.

A 10muF capactor is connected withan ac source E=200sqrt2 sin (100 t)V through an ac ammeter (it reads rms value). What will be the reading of the ammeter?

In the above question, if the internal resistance of the battery is 1 ohm , then what is the reading of ammeter