Class 10ScienceMagnetic Effects of Electric CurrentMix Examples - Magnetic Effects of Electric Current
EasyHow is alternating current $(AC)$ different from direct current $(DC)$?
- AAlternating current flows in one direction,while direct current changes direction.
- BAlternating current changes its magnitude and direction periodically,while direct current maintains a constant magnitude and direction.
- CDirect current is used in household appliances,while alternating current is used in batteries.
- DThere is no difference between alternating current and direct current.
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Similar Questions
The branch of science that covers the comprehensive study of electricity and magnetism is known as $.........$.
Easy
View Solution$(a)$ Name two electrical appliances of daily use in which an electric motor is used.
$(b)$ Name and state the principle on which an electric motor works.
$(b)$ Name and state the principle on which an electric motor works.
Medium
View SolutionIn the below figure,$A$ and $B$ represent two straight wires carrying equal currents in a direction at right angles to the plane of paper inwards. Sketch separately the magnetic field lines produced by each current. Give a reason why the magnetic field at $K$ (mid-point of the line joining $A$ and $B$) will be zero.
What will be the effect on the magnetic field at $K$ if the current in wire $B$ is reversed?
What will be the effect on the magnetic field at $K$ if the current in wire $B$ is reversed?
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View SolutionHow is a current-carrying wire placed in a magnetic field so that the magnetic field does not act on it?
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View SolutionDraw the pattern of magnetic field lines associated with a current-carrying straight conductor. State how the magnetic field produced changes:
$(i)$ with an increase in current in the conductor,and
$(ii)$ with an increase in the distance from the conductor.
$(i)$ with an increase in current in the conductor,and
$(ii)$ with an increase in the distance from the conductor.
Medium
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