RAJAH 1 The electric field at a point 10 cm away from a charge P as in FIGURE 1 is 2.7 x 10° N C-!. Determine the charge of P. (i) Medan elektrik pada satu titik 10 cm dari satu cas P seperti RAJAH 1 ialah 2.7 x 106 N C-. Tentukan cas P. With reference to FIGURE 1, a charge Q is placed 10 cm away from charge P. When charge Q is moved horizontally to the right to a position 5 cm from its initial position, there is a 0.54 J change in its electric potential energy of the system. What is the charge of Q? (ii) Merujuk kepada RAJAH 1, satu cas Q diletakkan 10 cm dari cas P. Apabila cas Q digerakkan ke kanan secara mengufuk 5 cm dari posisi asalnya, terdapat perubahan 0.54 J pada tenaga keupayaan elektrik pada sistem. Apakah cas Q? (iii) Sketch the electric force vectors on charge P and Q. Lakarkan vektor daya elektrik yang bertindak ke atas P dan Q. (iv) If charge Q is again moved horizontally to the right to a new position, and the electric force on it is - 4.05 N; how far apart is charge Q from charge P? Jika cas Q digerakkan lagi ke kanan secara mengufuk ke satu posisi

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1
10 cm
5 cm
FIGURE 1
RAJAH 1
The electric field at a point 10 cm away from a charge P as in
FIGURE 1 is 2.7 x 10 N C-. Determine the charge of P.
(i)
Medan elektrik pada satu titik 10 cm dari satu cas P seperti RAJAH 1
ialah 2.7 x 106 NC-. Tentukan cas P.
With reference to FIGURE 1, a charge Q is placed 10 cm away from
charge P. When charge Q is moved horizontally to the right to a
position 5 cm from its initial position, there is a 0.54 J change in its
electric potential energy of the system. What is the charge of Q?
(ii)
Merujuk kepada RAJAH 1, satu cas Q diletakkan 10 cm dari cas P.
Apabila cas Q digerakkan ke kanan secara mengufuk 5 cm dari posisi
asalnya, terdapat perubahan 0.54 J pada tenaga keupayaan elektrik
pada sistem. Apakah cas Q?
(iii)
Sketch the electric force vectors on charge P and Q.
Lakarkan vektor daya elektrik yang bertindak ke atas P dan Q.
If charge Q is again moved horizontally to the right to a new position,
and the electric force on it is - 4.05 N; how far apart is charge Q from
charge P?
(iv)
Jika cas Q digerakkan lagi ke kanan secara mengufuk ke satu posisi
baharu dan daya kekuatan elektrik ke atasnya ialah – 4.05 N;
berapakah jarak terpisah antara cas P dan Q?
Two oppositely charged parallel plates are held 2 mm apart. A 4 x 10- J of
work is needed to move a 2 µuC point charge from one plate to the other.
Calculate the electric field between the plates.
(b)
Dua plat selari berlawanan cas terpisah sejauh 2 mm. Satu kerja 4 x 10J
perlu dilakukan untuk menggerakkan satu cas titik 2 uC dari satu plat ke plal
yang lain. Hitung medan elektrik antara plat.
Transcribed Image Text:1 10 cm 5 cm FIGURE 1 RAJAH 1 The electric field at a point 10 cm away from a charge P as in FIGURE 1 is 2.7 x 10 N C-. Determine the charge of P. (i) Medan elektrik pada satu titik 10 cm dari satu cas P seperti RAJAH 1 ialah 2.7 x 106 NC-. Tentukan cas P. With reference to FIGURE 1, a charge Q is placed 10 cm away from charge P. When charge Q is moved horizontally to the right to a position 5 cm from its initial position, there is a 0.54 J change in its electric potential energy of the system. What is the charge of Q? (ii) Merujuk kepada RAJAH 1, satu cas Q diletakkan 10 cm dari cas P. Apabila cas Q digerakkan ke kanan secara mengufuk 5 cm dari posisi asalnya, terdapat perubahan 0.54 J pada tenaga keupayaan elektrik pada sistem. Apakah cas Q? (iii) Sketch the electric force vectors on charge P and Q. Lakarkan vektor daya elektrik yang bertindak ke atas P dan Q. If charge Q is again moved horizontally to the right to a new position, and the electric force on it is - 4.05 N; how far apart is charge Q from charge P? (iv) Jika cas Q digerakkan lagi ke kanan secara mengufuk ke satu posisi baharu dan daya kekuatan elektrik ke atasnya ialah – 4.05 N; berapakah jarak terpisah antara cas P dan Q? Two oppositely charged parallel plates are held 2 mm apart. A 4 x 10- J of work is needed to move a 2 µuC point charge from one plate to the other. Calculate the electric field between the plates. (b) Dua plat selari berlawanan cas terpisah sejauh 2 mm. Satu kerja 4 x 10J perlu dilakukan untuk menggerakkan satu cas titik 2 uC dari satu plat ke plal yang lain. Hitung medan elektrik antara plat.
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