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pgtual and inverted 6. The charge on each plate of a parallel-plate capacitor is 20 uC. The capacitance of the capacitor is C. 1 HF 10-6 F. 12) What is the magnitude of the electric field betwee...
of an electromagnetic wave propagating in a vacuum is 65 x 10 Hz. See the table for problem 1 1) To what part of the electromagnetic spectrum does this wave a) blue light 2) The electromag a)perpendicular to b) parallel to the the magnetic field b) green light netic field of the electromagnetic wave is d) violet light c) antiparallel to the d) paralel to the wave velocity magnetic field magnetic field The speed of light in a medium is...
A parallel-plate air capacitor has a capacitance of 300 pF and a charge of magnitude 0.150 μC on each plate. The plates are 0.500 mm apart. A. What is the potential difference between the plates? Answer: V=500V B. What is the area of each plate? C. What is the electric-field magnitude between the plates? D. What is the surface charge density on each plate?
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and then disconnected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: decreases twice stays the same increases twice decreases 4 times increases 4 times
A parallel-plate capacitor has charge of magnitude 8.40 µC on each plate and capacitance 3.60 µF when there is air between the plates. The plates are separated by 2.10 mm. With the charge on the plates kept constant, a dielectric withκ = 6is inserted between the plates, completely filling the volume between the plates. (Enter the magnitudes.)(a)What is the potential difference between the plates of the capacitor (in V) before and after the dielectric has been inserted?before Vafter V(b)What is...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and stays connected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: O stays the same O increases twice O decreases twice O decreases 4 times O increases 4 times
The magnitude of the charge on each plate of a parallel plate capacitor is 4 mu C and the potential difference between the plates is 40 V. What is the capacitance of this capacitor? 20 times 10^-0 F 0.1 times 10^-6 F 300 times 10^-6 F 5 times 10^-8 F
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected and the capacitor is kept isolated. The plates are then pulled apart. Which one of the following statements is correct? a) The potential difference between the plates remains the same. b) The charge in the capacitor increases. c) The capacitance increases. d) The charge in the capacitor dereases. e) The capacitance decreases.
6) Capacitor calculation a) Calculate the capacitance of a parallel-plate capacitor whose plates are made of two different sizes. One plate has a radius of 10 cm and the other plate has 12 cm and is separated by 0.75 mm air gap. b) What is the charge on each plate if a 12-V battery is connected across the two plates? c) What is the electric field between the plates? d) Estimate the area of the plates needed to achieve a...
A parallel plate air capacitor has a capacitance of C. The charge on each plate is Q. There are no batteries connected to the capacitor. How much work is required to double the separation distance between the plates? Assign values for C (25 μF) and Q (50 μC)
1. An ideal parallel- plate capacitor has a capacitance of C. If the area of the plates is halved and the distance between the plates is doubled, what is the new capacitance? 2. a proton has a. speed of 5.0x10^5 m/s at a point where the electrical potential is 500 V. It moves through a point where the electrical potential is 1000V. What is the speed at this second point? (e=1.60x10^-10C)