MCQ
A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the axis of the loop is in:
  • A
    End-on position.
  • B
    Broadside-on position.
  • C
    Both.
  • D
    None of these.

Answer

  1. 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

Similar questions

A resistor  dissipates the power P when connected to a certain generator. If the resistor  is put in series with , the power dissipated by

(a) Decreases

(b) Increases

(c) Remains the same

(d) Any of the above depending upon the relative values of  and  

A person A can clearly see objects between 25cm and 200cm. Which of the following may represent the range of clear vision for a person B having muscles stronger than A, but all other parameters of eye identical to that of A?

For nuclei with A > 100:
  1. The binding energy of the nucleus decreases on an average as A increases.
  2. The binding energy per nucleon decreases on an average as A increases.
  3. If the nucleus breaks into two roughly equal parts, energy is released.
  4. If two nuclei fuse to form a bigger nucleus, energy is released.
A capacitor of capacitance 5 micro farads is charged to 1000 volts. The energy stored on the capacitor will be (in joules):

Ionization energy of hydrogen is 13.6 eV. If h = 6.6 , the value of R will be of the order of

(a)  

(b)  

(c)  

(d)  

GaAs is

(a) Element semiconductor

(b) Alloy semiconductor

(c) Bad conductor

(d) Metallic semiconductor

Which of the following phenomenon cannot take place with longitudinal waves (e.g., sound waves)?

X-rays are produced in laboratory by

(a) Radiation

(b) Decomposition of the atom

(c) Bombardment of high energy electron on heavy metal

(d) None of these