Download App

Magnetic Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
MCQ
Assertion : A circular loop carrying current lies in XY plane with its center at origin having a magnetic flux in negative Z-axis.
Reason : Magnetic flux direction is independent of the direction of current in the conductor.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • ✓
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.
✓

Answer

Correct option: C.
If assertion is true but reason is false.
(c) If assertion is true but reason is false.

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 Magnetic Effect of Current→Magnetic Effect of Current — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

The magnetic moment (μ) of a revolving electron around the nucleus varies with principal quantum number n as
→
A long, straight wire carries a current i. The magnetizing field intensity $H$ is measured at a point $P$ close to the wire. A long, cylindrical iron rod is brought close to the wire so that the point $P$ is at the centre the rod. The value of $H$ at $P$ will:
→
In H -atom the radius of electron's first orbit in A will be :
→
The sun (diameter $d$) subtends an angle $\theta$ radian at the pole of a concave mirror of focal length $f$ . What is the diameter of the image of the sun formed by the mirror ?
→
A magnet of magnetic moment M oscillating freely in earth's horizontal magnetic field makes n oscillations per minute. If the magnetic moment is quadrupled and the earth's field is doubled, the number of oscillations made per minute would be
→
If intensity of each wave in the observed interference pattern in Young's double slit experiment is $I_0$. then for some point $P$ where the phase difference is $\phi $ , intensity $I$ will be
→
Two magnets of same size and mass make respectively 10 and 15 oscillations per minute at certain place. The ratio of their magnetic moments is
→
In a wave, the path difference corresponding to a phase difference of $ \phi$  is
→
A small conducting loop of radius $o$ and resistance $r$ is pulled with velocity $v$ perpendicular to a long straight conductor carrying a current $i_o$ . If a constant power $P$ is dissipated in the loop. The variation of velocity of the loop as a function of $x$ .Given that $x >> 0$
→
The purpose of cathode in cathode ray tube is $......$
→