A series circuit consists of a 50-Hz source, a 50-ohm resistor, a 0.50-H inductor, and a 60 microfarad capacitor. The rms current in the circuit is measured to be 1.3 Amps. What is the voltage amplitude of the source?

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

If a star is moving toward earth, it is