Download App

Magnetic Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
Question

A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the axis of the loop is

(a) An end-on position

(b) A broad side-on position

(c) Both (a) and (b)

(d) Neither (a) nor (b)
✓

Answer

(a) An end-on position

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

Following operations can be performed on a capacitor:
X - connect the capacitor to a battery of emf $\in.$
Y - disconnect the battery.
Z - reconnect the battery with polarity reversed.
W - insert a dielectric slab in the capacitor.
→

The resistance of a heater coil is 110 ohm. A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11 ohm to a 220 volt main line. The heater operates with a power of 110 watt. The value of R in ohm is

(a) 12.22

(b) 24.42

(c) Negative

(d) That the given values are not correct
→
The AC produced in India changes its direction in every:
→
The ratio of kinetic energy to total energy in Bohr's Model of $n$ quantum level of electron in hydrogen atom will be :
→

The expected energy of the electrons at absolute zero is called

(a) Fermi energy

(b) Emission energy

(c) Work function

(d) Potential energy
→

Donor type impurity is found in

(a) Trivalent elements

(b) Pentavalent elements

(c) In both the above

(d) None of these
→

If the dielectric constant and dielectric strength be denoted by k and x respectively, then a material suitable for use as a dielectric in a capacitor must have

(a) High k and high x

(b) High  k and low x

(c) Low k and low x

(d) Low k  and high  x
→
A hole diffuses from the p-side to the n-side in a p-n junction. This means that.
  1. A bond ia broken on the n-side and the electron freed from the bond jumps to the conduction band.
  2. A conduction electron on the p-side jumps to a broken bond to complete it.
  3. A bond is broken on the n-side and the electron freed from the bond jumps to a broken bond on the p-side to complete it.
  4. A bond is broken on the p-side and the electron freed from the bond jumps to a broken bond on the n-side to complete it.
→

Continuous spectrum is not due to

(a) Hydrogen flame

(b) Electric bulb

(c) Kerosene oil lamp flame

(d) Candle flame
→

A cylindrical conductor has uniform cross-section. Resistivity of its material increase linearly from left end to right end. If a constant current is flowing through it and at a section distance x from left end, magnitude of electric field intensity is E, which of the following graphs is correct

(a)

(b)

(c)

(d)
→