Q.5: Four parallel metal plates P,, P,, P3, and Pa, each of area 7.5 cm, are separated successively by a distance d = 1.19 mm as shown in Figure (3). Plate P, is connected to the negative terminal of a battery, and P, is connected to the positive terminal. The battery maintains a potential difference of 12V. (a) If P, is connected to the negative terminal, what is the capacitance of the three-plate system P,P,P,? (b) What is the charge on P,? (c) If P, is now connected to the positive terminal, what is the capacitance of the four-plate system P,P,P,P,? (d) What is the charge on P,? P P P, 12.0 V Figure (3) Note: Some Physical Constants Proton charge (q,) = +1.602 x 10-19C: Electron charge (q.) =-1.602 x 10-1°C Proton mass (m) = 1.673 x 10-27kg Electron mass (m.) = 9.109 x 10-3kg Permeability of free space (Ho) = 4 x 10- 7. m/a permittivity of free space (En) = 8.8542 x 10-12 /N m. Gravitational constant (G) = 6.674 x 10-11 N. m2/kg2 Acceleration of gravity (g)-9.8 m's The Coulomb constant (k,)= 8.988 x 10" .m2/C2. Good Luck

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Q.5: Four parallel metal plates P,, P3, Ps. and P,, each of area 7.5 cm', are separated successively
by a distance d = 1.19 mm as shown in Figure (3). Plate P, is connected to the negative terminal
of a battery, and P, is connected to the positive terminal. The battery maintains a potential
difference of 12V. (a) If P, is connected to the negative terminal, what is the capacitance of the
three-plate system P,P,P,? (b) What is the charge on P,? (c) If P, is now connected to the
positive terminal, what is the capacitance of the four-plate system P,P,P,P,? (d) What is the
charge on P,?
P P P,
12.0 V
Figure (3)
Note: Some Physical Constants
Proton charge (q,) = +1.602 x 10-19C:
Electron charge (q.) =-1.602 x 10-1°C
permittivity of free space (En) = 8.8542 x 10-12 /N m.
Gravitational constant (G) = 6.674 x 10-11 N. m2/kg2 Acceleration of gravity (g)-9.8 m's
The Coulomb constant (k.) = 8.988 x 10° N. m²/c?.
Proton mass (mp) = 1.673 x 10-27kg
Electron mass (m.) = 9.109 x 10-3kg
Permeability of free space (o) = 4m x 10-7 7. m/A
Good Luck
Transcribed Image Text:Q.5: Four parallel metal plates P,, P3, Ps. and P,, each of area 7.5 cm', are separated successively by a distance d = 1.19 mm as shown in Figure (3). Plate P, is connected to the negative terminal of a battery, and P, is connected to the positive terminal. The battery maintains a potential difference of 12V. (a) If P, is connected to the negative terminal, what is the capacitance of the three-plate system P,P,P,? (b) What is the charge on P,? (c) If P, is now connected to the positive terminal, what is the capacitance of the four-plate system P,P,P,P,? (d) What is the charge on P,? P P P, 12.0 V Figure (3) Note: Some Physical Constants Proton charge (q,) = +1.602 x 10-19C: Electron charge (q.) =-1.602 x 10-1°C permittivity of free space (En) = 8.8542 x 10-12 /N m. Gravitational constant (G) = 6.674 x 10-11 N. m2/kg2 Acceleration of gravity (g)-9.8 m's The Coulomb constant (k.) = 8.988 x 10° N. m²/c?. Proton mass (mp) = 1.673 x 10-27kg Electron mass (m.) = 9.109 x 10-3kg Permeability of free space (o) = 4m x 10-7 7. m/A Good Luck
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