Home
Class 11
PHYSICS
If two current phasors, having magnitude...

If two current phasors, having magnitude 3A and 4A intersect at an angle of 90 degrees, calculate the resultant current.
a) 13 A
b) 10 A
c) 6 A
d) 5 A

Text Solution

Verified by Experts

a. The forces acting on the boy are
i. the weight Mg
ii. the normal contact force N and
the static friction `f_s`.
Promotional Banner

Similar Questions

Explore conceptually related problems

Two forces of magnitudes 3N and 4N respectively are acting on a body. Calculate the resultant force if the angle between them is : (i) 0^(@) (ii) 180^(@) (iii) 90^(@)

Two vectors having equal magnitude of 5 units, have an angle of 60^(@) between them. Find the magnitude of their resultant vector and its angle from one of the vectors.

Two identical coils having same number of turns and carrying equal current have common centre and their planes are at right angles to each other. What is the ratio of magnitude of the resultant magnetic field at the centre and magnetic field due to one of the coils at the centre ?

Two point charges q_(1) and q_(2) of magnitude + 10^(-8) c and -10^(-8) c respectively are placed 0.1 m apart calculate the electric fields at points a, b and c

An n-type semiconductors has 4 xx 10^(-3) m width, 25 xx 10^(-5) m thickness and 6 xx 10^(-2) m length. 4.8 mA current is flowing through it. Here voltage is applied parallel to the length of the semiconductor. Calculate the current density. The density of the free electron is equal to 10^(22) m^(-3) .What will be the time taken by the electron across the length of the semiconductor ?

An electric current has both D.C. and A.C. components D.C. component of 8A and A.C. component is given as I=6sin omegat A . So l_(rms) value of resultant current is .....

Two vectors of equal magnitude 5 unit have an angle 60^0 between them. Find the magnitude of (a) the sum of the vectors and (b) the difference of the vectors. . .

The maximum and minimum resultant of two forces acting at a point are 10N and 6N respectively. If each force is increased by 3N, find the resultant of new forces when acting at a paint at an angle of 90^(@) with each-other :-

An electric current has both A.C. and D.C. components . The value of D.C. component is equal to 12A while the A.C. component is given as 1 = 9 sin omega t A. Determine the formula for the resultant current and also calculate the value of I_(rms) .

The sum of the magnitudes of two forces acting at a point is 16 N. The resultant of these forces is perpendicular to the smaller force has a magnitude of 8 N. If the smaller force is magnitude x, then the value of x is (A) 2N (B) 4N (C) 6N (D) 7N