10 ICSE QUIZ ON HEATING AND MAGNETIC EFFECTS (PHYSICS)

If the lines of magnetic induction in a region are crowded together, the magnetic field strength in that region will be

The ratio of SI to cgs units of magnetic field is

Heat produced in a wire of resistance R due to current flowing at a constant potential difference is proportional to

A magnetic field

The heat dissipated across a resistance R and 10 V is 20 joules per second. The value of R is

A current is passed through a straight wire. The magnetic field established around it has its lines of forces

Read the Question given below

Read the Question given below

Two resistances are connected in series across a battery and consume a power P. If these are connected in parallel, then power consumed will be

When a charged particle moves in a magnetic field, its kinetic energy always