Current Electricity

Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

A. 40 W
B. 90W
C. 100W
D. 120W

A. Joule effect
B. Joule Thomsons effect
C. Comptons effect
D. Feed back effect

A. very good conductor
B. moderately good conductor
C. an insulator
D. no specific criterion available

A. free electrons
B. protons
C. neutrons
D. still under controversy