Answer:
Current, I = 0.153 A
Explanation:
Given that,
Radius of the circular conducting loop, r = 0.5 m
Resistance of the resistor, 
Magnetic field, B = 1 T
Angle with z axis, 
Magnetic field increases to 10 T in 4 seconds
To find,
Magnitude of current.
Solve,
According to Faraday's law, the induced emf is given by:
are final flux and the initial flux respectively.
The magnitude of current can be calculated using the Ohm's law as :
I = 0.153 A
Therefore, the magnitude of the current that will be caused to flow in the loop is 0.153 A.
In the above problem, we need to find mass of the second child, so that the Center of Mass remains at the origin( pivot).
CM= m1r1+m2r2/m1+m2
0= 20*-2+16*r2/20+16
r2= 40/16
r2= +2.5 m
Answer:
Energy
Explanation:
One ways of stating the law of conservation of energy is that "you cannot get more energy from a machine than the amount of energy you put into it".
The law of conservation of energy states that in a system, energy is neither created nor destroyed but transformed from one form to another.
The energy in a system does not increase based on the premise of this law.
- The efficiency of a machine can reduce but the energy is always conserved.
- This is because energy is transformed to other forms.
Answer:
Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.
Explanation:
Answer:
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Explanation:
