v45

Plot the given points on a graph sheet. (i) (5,4) (ii) (2,0) (iii) (3,1) (iv) (0,4) (v) (4,5)

If two protons are moving with speed v=4.5 xx 10^(5)m//s parallel to each other then find the ratio of electrostatic and magnetic force between them : -

The mutual conductance of a triode value is 2.5 millimho . Find the change in the plate current if the grid voltage is changed from -2.0 V to 4.5 V .

Three identical cells of e.m.f. 1.5 V are given. Find how we can arrange them to get a total e.m.f. of (a) 1.5 V , (b) 3 V , (c ) 4.5 V .

In an electromagnetic wave, the electric field oscillated sinusoidally with amplitude 45 V//m^(-1) . The RMS value of oscillating magnetic field will be:

Three capacitors are connected across a 45 V power supply as shown in fig.what is the charge on the 6 mu F capacitor?

Write the values of the following trigonometric ratios . i. sin 30^(@) = ii. Cos 30^(@) = iii. tan 30^(@) = iv. sin 60^(@) = v . cos 45^(@) = vi. tan 45^(@) =

A 20 muF capacitor is connected to 45 V battery through a circuit whose resistance is 2000 Omega. What is the final charge on the capacitor ?