Calculate the current flowing through a Selenoid of length 1000cm and with 200 tons of wire. If the magnetic field at the centre is 10^-6 tesla.​

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

In which of the following can you not find plasma