A conductor of length 0.5 m moves at 3 m/s perpendicular to a magnetic field of 0.4 T. What is the emf induced across the ends of the conductor?

What is the unit of magnetic field strength in the SI system?

What is the phase difference between the voltage and current in a pure resistor AC circuit?

Which of the following is true about magnetic field lines?

A proton moves with velocity 2×106 m/s2 \times 10^6 \, \text{m/s} perpendicular to a magnetic field of 0.5 T0.5 \, \text{T} What is the magnitude of the magnetic force on the proton?

Which of the following elements opposes the change in current in an AC circuit?

What is the form of the voltage in a standard alternating current (AC) circuit?

If an AC voltage has a peak value V0V_0​, what is the RMS (root-mean-square) value of the voltage?

What is magnetic flux through a loop of area AAA in a uniform magnetic field BB when the field is perpendicular to the loop?

An AC generator produces a peak voltage of 170 V. What is the RMS (root-mean-square) voltage?