What is the effective resistance value of 3 equal resistance 3 Ohm each when grouped in parallel.

What is the effective resistance value of 3 equal resistance 3 Ohm each when grouped in series

What is resistance ?

What is the effect of air resistance on the projectile motion ?

Correct the sentences if required changing the underlined portion. To increase the effective resistance the given resistors are to be connected in parallel.

A conducting wire of resistance R is halved. Find the effective resistance when the two halves are joined in (a) series (b) parallel.

Two coils connected in series have a resistance of 18Omega and when connected in parallel have a resistance of 4Omega . Find the value of individual resistance of the coils.