Home
Class 12
PHYSICS
An a.c., source of emf epsi= 200 sin ome...

An a.c., source of emf `epsi= 200 sin omega t` is connected to a resistor of `50Omega`. Calculate:
Root mean square (rms) value of emf

Text Solution

AI Generated Solution

To calculate the root mean square (rms) value of the emf given by the equation \( \epsilon = 200 \sin(\omega t) \), we can follow these steps: ### Step 1: Identify the peak value of emf The given emf equation is: \[ \epsilon = 200 \sin(\omega t) \] From this equation, we can identify the peak value (amplitude) of the emf, denoted as \( E_0 \): ...
Promotional Banner

Similar Questions

Explore conceptually related problems

An a.c., source of emf epsi= 200 sin omega t is connected to a resistor of 50Omega . Calculate: Average current (I_(avg))

An Ac source of volatage V=100 sin 100pit is connected to a resistor of resistance 20 Omega .The rms value of current through resistor is ,

An A.C. generator generating an emf E given by E = 311 sin(10t) is connected to a 44 Omega resistor. Calculate : (i) rms value of A.C. flowing through the resistor. (ii) frequency of the current (iii)mean value of emf generated by the generator in time interval 0.06 to 0.08s.

A cell of e.m.f. 1.5 V, internal resistance 1 Omega is connected to the resistors of 4 Omega and 20 Omega in series. Draw a circuit diagram and calculate : the p.d. across each resistor

A cell of e.m.f. 1.5 V, internal resistance 1 Omega is connected to the resistors of 4 Omega and 20 Omega in series. Draw a circuit diagram and calculate : the voltage drop when the current is flowing.

A cell of e.m.f. 1.5 V, internal resistance 1 Omega is connected to the resistors of 4 Omega and 20 Omega in series. Draw a circuit diagram and calculate : the current in the circuit,

A cell of e.m.f. ε and internal resistance r sends a current of 1.0 A when it is connected to an external resistance of 1.9 Omega . But it sends a current of 0.5 A when it is connected to an resistance of 3.9 Omega calculate the values of epsi and r .

Three identical cells, each of emf 2 V and internal resistance 0.2Omega are connected in series to an external resistor of 7.4Omega . Calculate the current in the circuit.

An alternating voltage given by V=70 sin 100 pi t is connected across a pure resistor of 25 Omega. Find (i) the frequency of the source. (ii) the rms current through the resistor.

A 20 mu F capacitor, 0.2 H inductor and a 50 Omega resistor are connected in series to an a.c. Source whose emf is given by E = 310 sin (314 t) where E is in volt and t is in second. Calculate : peak value of current in the circuit.