Answer:
The energy stored in the capacitor quadruples its original value.
Explanation:
The energy stored in a capacitor is given by the equation
where
C is the capacitance
V is the voltage across the plates
The capacitance, C, depends only on the properties of the capacitor, so it does not change when the voltage applied is changed.
Instead, in this problem the voltage applied is doubled:
V' = 2V
So the new energy stored is
so, the energy stored has quadrupled.
Answer:
it would be the cord will have the most energy at the moment.
Explanation:
...
Assuming brown hair (B) color is completely dominant over blond hair (b), then the father's genotype must be bb.
Answer:
7.4 m
Explanation:
Friction is going to consume all of the initial energy:
Solving for x:
Answer:
The magnitude of magnetic field decreases in comparison to previous case.
Explanation:
Let current flowing in two conductors are and
Magnetic field in wire,
Magnetic field due to current I1
Magnetic field due to current I2
When two parallel conductors are carrying currents in the same direction then the magnetic field will be added.
When the direction of one of the current is reversed then the magnitude of the magnetic field midway between them
Hence, the magnitude of magnetic field decreases in comparison to previous case.