What is the best way to neutralize an insulated charged object?

The magnetic field produced by current in a solenoid is similar to:

Which of the following statements is correct about Coulomb’s law?

The commercial unit for electricity is the kilowatt hour (kWh). Choose form the following the amount of energy equal to one kWh.

Newton’s second law of motion is the statement that:

Which of the following is NOT a consequence of the conservation of momentum?

Which of the following represents an alpha particle emitted by a radioactive nucleus?

Which of the following is an appropriate use for a transformer?

In a hydrogen atom, the energy corresponding to n = 2 is – 5.44 × 10-19 J and the energy corresponding to n = 3 is -2.49 × 10-19 J. The energy of a photon emitted when it jumps from n = 3 to n = 2 is

The length of a rectangle is 8 cm and its width is 5 cm. What is its area in square meter?