A 110 V d.c. heater is used on an a.c. source, such that the heat produced is the same. What would be the r.m.s. value of the alternating voltage?

The instantaneous current from an a.c. source is I = 6 sin 314 t. What is the r.m.s. value of the current?

The instantaneous current form an a.c. source is I = 5 sin (314t) A. What are the average and r.m.s. values of the current.

Peak value of an a.c. source is E_0 . What is its r.m.s. value?

Peak value of an a.c. source is E_0 . What is its r.m.s. value?

Instantaneous voltage from an a.c. source is given by E=300 sin 314 t. What is the r.m.s. voltage of the source?

The equation of an a.c. voltage is V = 200 sin 50 pi t Then, the r.m.s. value of voltage is

The instantaneous current from an a.c. source is i=0.5 sin 314 t. What is the r.m.s value.

Three students X,Y and Z performed an experiment for studying the variation of alternating currents with angular frequency in a series LCR-circuit and obtained the graphs shown in the figure They all used a.c sources of the same r.m.s. value and inductances of the same value. What can we conclude about the resistance values used by them