A parallel plate capacitor has a capacitance of 50 pf in air and 150 pf when immersed in oil. The dielectric constant of oil is (a) 0. 25 (b) 3. 00 (c) 0. 45 (d) 1. 10.

Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?

Atoms in a molecule are bonded together by sharing gaining or losing_

Q1=-2.00x10^-5 c, q2=+3.80x10^-6 c, q3=+5.30x10^-5 c. what is the electric potential energy for charge q2? between q1 and q2: 1.15m between q2 and q3: 2.88m