The electric charge in uniform motion produces

  • A
    An electric field only
  • B
    $A$ magnetic field only
  • C
    Both electric and magnetic field
  • D
    Neither electric nor magnetic field

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Similar Questions

Statement $(I)$: $A$ uniform electric field and a uniform magnetic field are pointed in the same direction. If an electron is projected in the same direction,the electron velocity will decrease in magnitude.
Statement $(II)$: Two infinitely long parallel wires are carrying current in the same direction. The magnetic field at a point midway between the wires is zero.
Statement $(III)$: No net force acts on a rectangular coil carrying a steady current when suspended in a uniform magnetic field.
Which of the following is correct?

Match the following:
List-$I$List-$II$
$a$. Fleming's left-hand rule$e$. Direction of induced current
$b$. Fleming's right-hand rule$f$. South pole
$c$. Clockwise current$g$. North pole
$d$. Anticlockwise current$h$. Direction of force

The correct answer is:

Two long current-carrying thin wires,both with current $I$,are held by insulating threads of length $L$ and are in equilibrium as shown in the figure,with threads making an angle $\theta$ with the vertical. If the wires have mass $\lambda$ per unit length,then the value of current $I$ is ($g =$ gravitational acceleration).

As the temperature of the hot junction increases, the thermo $e.m.f.$

When a proton is released from rest in a room,it starts with an initial acceleration $a_0$ towards west. When it is projected towards north with a speed $v_0$,it moves with an initial acceleration $3a_0$ towards west. The electric and magnetic fields in the room are

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