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Questions in physics

[Homework Help] An electric press consumes 120 kJ of energy in 5 minutes, with a current of 2 A flowing through it. Calculate the electric potential at which the press operates.

[Homework Help] Why is evaporation called a surface phenomenon?

[Homework Help] Write notes on the electric bulb.

[Homework Help] What happens if a bird sitting on a transmission wire touches both terminal wires? Why?

[Homework Help] Name human body organs where magnetism is significant.

[Homework Help] 400 J of heat is produced in 4 seconds in a 4-ohm resistor. Calculate the potential difference (PD) across the resistor.

[Homework Help] The resistance of a wire with a length of 80 cm and a uniform cross-sectional area of 0.025 cm² is found to be 1.50 ohms. Calculate the specific resistance of the wire in SI units.

[Homework Help] Which one has less resistance: a 60W bulb or a 40W bulb?

[Homework Help] Draw a velocity-time graph for the uniform motion of an object when the body is initially at rest.

[Homework Help] Name the physical quantity measured by the area under a velocity-time graph.