... must be recharged?
A 10 s
B 10 0 s
C 200 s
D 10 00 s
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ᮣ
WMP/Jun10 /PHYA4/ 1
Q
2 2πε
0
a
Q
2πε
0
a
Q
2πε
0
a
Q
4πε
0
a
P
2a
2a
–Q+Q
+Q+Q
WMP/Jun10 /PHYA4/ 1
8
17 When switch S in the circuit ... m?
A 0 .11 m s
1
B 0.22 m s
1
C 0.40 m s
1
D 0.80 m s
1
Turn over for the next question
π
2
mr
T
2
π
2
mr
2
T
2
2π
2
mr
2
T
2π
2
mr
2
T
2
WMP/Jun10 /PHYA4/ 1
4
7 Which graph...
... PHYA4/ 2
Unit 4 Fields and Further Mechanics
Section B
Tuesday 21 June 2 011 9.00 am to 10 .45 am
MarkQuestion
For Examiner’s Use
Examiner’s Initials
TOTAL
1
2
3
4
5
(JUN1 1PHYA42 01)
WMP/Jun 11 /PHYA4/ 2
Do ... van
Figure 1
Figure 2
WMP/Jun 11 /PHYA4/ 2
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(03)
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outside the
box
1 (a) (iii) Calculate R if m = 12 kg, r = 23 m, and v = 11 m s
1
.
answer...
... nucleus = 90.90368 u
mass of
13 9
56
Ba nucleus = 13 8.87 810 u
answer = MeV
(3 marks)
3
8
233
92
U +
1
0
n →
91
36
Kr +
13 9
56
Ba + x neutrons
WMP/Jun 11/ PHYA5 /1
Do not write
outside the
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2 The ... 1
2
3
4
5
WMP/Jun 11/ PHYA5 /1
PHYA5 /1
Centre Number
Surname
Other Names
Candidate Signature
Candidate Number
General Certificate of Education
Advanced Level Examination
June...
... LMN
positive
charge
WMP/Jan12 /PHYA4/ 2
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outside the
box
1 (b) (iii) Show that the electric field strength at point M, which is mid-way between L and N,
is 2.5 V m
1
.
(1 mark)
1 (c) R and S are two ... B
Tuesday 24 January 2 012 1. 30 pm to 3 .15 pm
MarkQuestion
For Examiner’s Use
Examiner’s Initials
TOTAL
1
2
3
4
(JAN1 2PHYA42 01)
WMP/Jan12 /PHYA4/ 2
Do not write...