MCQ
A conducting wire is dropped along east-west direction, then
- ANo emf is induced
- BNo induced current flows
- ✓Induced current flows from west to east
- DInduced current flows from east to west
✓
Answer
Correct option: C.
Induced current flows from west to east
c
(c)
(c)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Choose the correct statement for processes A & B shown in figure.
A car is moving on a circular path and takes a turn. If ${R_1}$ and ${R_2}$ be the reactions on the inner and outer wheels respectively, then
→A ball of mass $0.5\, kg$ moving with a velocity of $2\, m/sec$ strikes a wall normally and bounces back with the same speed. If the time of contact between the ball and the wall is one millisecond, the average force exerted by the wall on the ball is ......... $N$
→An air bubble of diameter $6\,mm$ rises steadily through a solution of density $1750\,kg / m ^3$ at the rate of $0.35\,cm / s$. The co-efficient of viscosity of the solution (neglect density of air) is $..........\,Pas$ (given, $g =10\,ms ^{-2}$)
→A cubic metal block of mass $5 \,kg$ and edge length $0.1 \,m$ and at an initial temperature of $100^{\circ} C$ is placed on a thermally insulating flat surface and exposed to air at $0^{\circ} C$. The time in seconds required to cool the block to a temperature of $37^{\circ} C$ is closest to
→(Note: Specific heat of the metal $=500 \,J / kg /{ }^{\circ} C$; Heat transfer coefficient from block to air $=50 \,W / m ^2 /{ }^{\circ} C$ )
Two masses $m$ and $M$ are attached to the strings as shown in the figure. If the system is in equilibrium, then
→A steel rod $100\, cm$ long is damped at into middle. The fundamental frequency of longitudinal vibrations of the rod are given to be $2.53\, kHz$. What is the speed of sound in sound is steel ? (in $km/s$)
→Two men $‘A’$ and $‘B’$ are standing on a plank. $‘B’$ is at the middle of the plank and $‘A’$ is at the left end of the plank. System is initially at rest and masses are as shown in figure. $‘A’$ and $‘B’$ starts moving such that the position of $‘B’$ remains fixed with respect to ground till $‘A’$ meets $‘B’$ . Then the point where $A$ meets $B$ is located at
→A simple pendulum of length $1 m$ has a wooden bob of mass $1 \ kg$ . It is struck by a bullet of mass $10^{-2} \ kg$ moving with a speed of $2 \times 10^2 ms^{-1}$. The bullet gets embedded into the bob. The height to which the bob rises before swinging back is. $($use $g =10 m / s ^2)$
→On the basis of kinetic theory of gases, the gas exerts pressure because its molecules: