Draw a sketch of an electric bell with electrical connections and label the main parts. Why the armature is made of soft iron, not steel?

Figure shows two wires carrying current. Copy the diagram and draw the pattern of line of force around them and mark their direction.

A conducting loop is placed just straight in current carrying conductor. Find the direction of induced current, if any, when current in straight wire is (i) increasing (ii) decreasing (iii) steady?

Name the parts A, and B of the transformer shown in figure.

State whether this transformer is step-up or step-down?

You are given a long solenoid connected to an electric bulb and a strong magnet. Describe a method to light the bulb for a moment. Name the phenomenon involved in this experiment.