Two free parallel wires carrying currents in opposite direction - Vidyadip

MCQ

Two free parallel wires carrying currents in opposite direction

A
Attract each other
✓
Repel each other
C
Neither attract nor repel
D
Get rotated to be perpendicular to each other

✓

Answer

Correct option: B.

Repel each other

b
(b) Two wires, if carries current in opposite direction, they repel each other.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 4. Moving charges and magnetism→4. Moving charges and magnetism — all question types→Physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The phenomenon of light passing through the object is called:

Fusion reaction takes place at high temperature because

In which of the following systems will the radius of the first orbit $(n = 1)$ be minimum?

A $30\,\mu F$ capacitor is charged by a constant current of $30\, mA$. If the capacitor is initially uncharged, how long does it take for the potential difference to reach $400\, V$.....$s$

$S_1$ and $S_2$ are two equipotential surfaces on which the potentials are not equal. Which of the statement is incorrect ?

The refractive index of water is $1.33.$ The direction in which a man under water should look to see the setting sun is

What is the conductivity of a semiconductor sample having electron concentration of $5 \times 10^{18}\, m^{-3}$, hole concentration of $5 \times 10^{19}\, m^{-3}$, electron mobility of $2 .0\, m^2\, v^{-1}\, s^{-1}$ and hole mobility of $0.01\, m^2\, v^{ -1}\, s^{-1}$ ?........${\left( {\Omega - m} \right)^{ - 1}}$ (Take charge of electron as $1.6 \times 10^{-19}\, C$)

The resistance of the filament of an electric bulb changes with temperature. If an electric bulb rated $220\, volt$ and $100\, watt$ is connected $(220 \times 0.8)$ $volt$ sources, then the actual power would be

A ray of light is incident from air on a glass plate having thickness $\sqrt{3} \,cm$ and refractive index $\sqrt{2}$. The angle of incidence of a ray is equal to the critical angle for glass-air interface. The lateral displacement of the ray when it passes through the plate is $.......\times 10^{-2}$ (given $\sin 15^{\circ}=0.26$ )

The radii of the inner and outer spheres of a condenser are $9\,cm$ and $10\,cm$ respectively. If the dielectric constant of the medium between the two spheres is $6$ and charge on the inner sphere is $18 \times {10^{ - 9}}\;coulomb$, then the potential of inner sphere will be, if the outer sphere is earthed........$volts$