True or false
The direct current always in one direction only

State whether the following statements are True or False. Change in momentum occurs in the direction of force.

True or false Direct current has a frequency of 50 Hz in India

True or false The SI unit of electric current is volt(V).

Two free paralell wires carrying currents in opposite direction

State whether the following statements are true or false: The direction of acceleration can be opposite to that of velocity.

State whether the following statements are true or false: The conventional direction of flow of current is from the positive terminal to the negative terminal of the cell.

State whether the following statements are true or false: In circular motion, direction of motion is tangential.

Answer the following questions : Study the following principle and answer the questions. A force is excreted on a current - carrying conductor placed in a magnetic field. The direction of this force depends on both the direction of the current and the direction of the magnetic field . This force is maximum when the direction of the current is perpendicular to the direction of the magnetic field. In which electrical equipment is this principal used?

Answer the following questions : Study the following principle and answer the questions. A force is excreted on a current - carrying conductor placed in a magnetic field. The direction of this force depends on both the direction of the current and the direction of the magnetic field . This force is maximum when the direction of the current is perpendicular to the direction of the magnetic field. Draw a diagram representing the construction of this equipment.

Answer the following questions : Study the following principle and answer the questions. A force is excreted on a current - carrying conductor placed in a magnetic field. The direction of this force depends on both the direction of the current and the direction of the magnetic field . This force is maximum when the direction of the current is perpendicular to the direction of the magnetic field. Write the working of this equipment in brief.