A 6.0-?F air-filled capacitor is connected across a 100-V voltage source
After the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). How much ADDITIONAL charge flows from the voltage source, which remained connected during the process?
A) 1.5 mC B) 2.1 mC C) 1.7 mC D) 2.5 mC E) 1.2 mC
B
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The fundamental constituents of the nucleus are
A. protons and electrons B. neutrons and electrons C. protons only D. neutrons only E. protons and neutrons
Approximately how long does the protostellar stage last for a starlike our Sun?
A) 300 years B) 30,000 years C) 100,000 years D) 30 million years E) 30 billion years
A banana will appear black when illuminated with
A) black light. B) blue light. C) red light. D) green light.
Charge in an Electric Field: A proton is placed in an electric field of intensity 800 N/C. What are the magnitude and direction of the acceleration of the proton due to this field? (e = 1.60 × 10-19 C, mproton = 1.67 × 10-27 kg)
A. 7.66 × 109 m/s2 opposite to the electric field B. 7.66 × 1010 m/s2 opposite to the electric field C. 7.66 × 1010 m/s2 in the direction of the electric field D. 76.6 × 1010 m/s2 opposite to the electric field E. 76.6 × 1010 m/s2 in the direction of the electric field