38*10=380 N
To be more exact, 38 should be multiplied by 9.8 instead of 10.
Answer:
C) Use a battery with more voltage.
Explanation:
The equation for the magnetic field around a coil is given by,
B = μ₀NI
where,
B = Magnetic flux density
μ₀ = permeability
N = number of turns per meter
I = Current in the wire
So when using a higher voltage battery, more current passes through the battery as resistance of the wire remains the same.
Answer:
The electric potential at the surface of a charged conductor<u> is always such that the potential is zero at all points inside the conductor.</u>
Explanation:
Each point on the surface of a balanced charged conductor has the same electrical potential.
The surface on any charged conductor in electrostatic equilibrium is an equipotential surface. Since the electric field is equal to zero inside the conductor, the electric potential at any point inside and on the surface is equivalent to its value.
Answer:
Part a)
Part b)
Part c)
Explanation:
Part a)
As we know that the speed of light is given as
now the frequency of the light is given as
so we have
Part b)
Position of Nth maximum intensity on the screen is given as
so here we know for 3rd order maximum intensity
n = 3
L = 1.4 m
Part c)
angle of third order maximum is given as
Answer:what are the options..?
Explanation:
