
Is there any other magnet near it that influences the suspended magnet? Earth itself is that magnet?

Important Questions on Physical Environment
Take an iron bar, a long insulated electrical wire, a switch, a powerful battery, and a magnetic needle. Coil the wire around the iron bar as shown in the figure. Connect the two ends of the wire to the two ends of the battery through a switch (as shown in the picture). Now bring a magnetic needle near the iron bar and switch on the circuit. Try to understand what kind of pole has been created at the end of the iron bar nearer to the needle. Now interchange the two ends of the wire that are attached to the battery. Repeat the experiment once again, and observe which end of the needle is attracted (or repelled) by which end of the iron bar. Why does the needle deflect? Which external body applies a force upon the poles of the needle?


Take an iron bar, a long insulated electrical wire, a switch, a powerful battery, and a magnetic needle. Coil the wire around the iron bar as shown in the figure. Connect the two ends of the wire to the two ends of the battery through a switch (as shown in the picture). Now bring a magnetic needle near the iron bar and switch on the circuit. Try to understand what kind of pole has been created at the end of the iron bar nearer to the needle. Now interchange the two ends of the wire that are attached to the battery. Repeat the experiment once again, and observe which end of the needle is attracted (or repelled) by which end of the iron bar. Now stop the current flowing through the circuit. Why does the needle come back to its original position?


Take an iron bar, a long insulated electrical wire, a switch, a powerful battery, and a magnetic needle. Coil the wire around the iron bar as shown in the figure. Connect the two ends of the wire to the two ends of the battery through a switch (as shown in the picture). Now bring a magnetic needle near the iron bar and switch on the circuit. Try to understand what kind of pole has been created at the end of the iron bar nearer to the needle. Now interchange the two ends of the wire that are attached to the battery. Repeat the experiment once again, and observe which end of the needle is attracted (or repelled) by which end of the iron bar. Does the iron bar become a magnet when electricity is passed through the coil?


A bulb, connecting wires, battery are connected as shown in the figure. Will the bulb glow in this situation?

A bulb, connecting wires, battery are connected as shown in the figure. Will the bulb glow in this situation?

A bulb, connecting wires, battery are connected as shown in the figure. Will the bulb glow in this situation?

A bulb, connecting wires, battery are connected as shown in the figure. Will the bulb glow in this situation?
