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WorksheetsPhysics 11
Total questions: 26
Worksheet time: 16mins
An electrical junction has three wires A, B and C connected to it. Wire A carries 4.2 A going in, wire B carries 2.6 A going out. What does wire C carry?
1.6 A going in
1.6 A going out
6.8 A going in
6.8 A going out
Which of the following equations represent the current I in the circuit?
Which of the equations is valid for the circuit below?
2 – I1 – 2I2 = 0
2 – 2I1 – 2I2 – 4I3 = 0
2 – I1 – 4 – 2I2 = 0
I3 – 4 – 2I2 + 6 = 0
2 – I1 – 3I3 – 6 = 0
What is the loop rule for the outside loop?
8 V - I3(4) + I1(1) = 0
4 V - I3(4) + I1(1) = 0
8 V - I3(4) - I1(1) = 0
4 V - I3(2) + I1(1) = 0
Study the given diagram. If I1 = 2 A, I2 = 10 A, I3 = 4 A, and I4 = 5 A, then find (I5 - I1).
12A
1A
3A
2A
The current in the resistor X is 2.0 A and the current in the 6.0 Ω resistor is 0.5 A. Calculate the resistance of resistor Y
6.0 Ω
2.0 Ω
4.0 Ω
3.0 Ω
Calculate the current at the point B
6 A
7 A
8 A
9 A
Calculate the current at the point A
6 A
7 A
8 A
9 A
Calculate the current at the point E
6 A
7 A
8 A
9 A
Using Kirchhoff's Law, what is the current at point I? Mark your answer to the nearest tenth.
(a)
Using Kirchhoff's Laws, find the current at point I. Your answer should be to the nearest tenth.
(a)
Using Kirchhoff's Laws, find the current at point I. Round to the nearest tenth.
(a)
Using Kirchhoff's Laws, what is the current at the point I1 ?
(a)
Using Kirchhoff's Laws, what is the current at the point I2 ?
(a)
Using Kirchhoff's Laws, find the current at point I2 .
(a)
Using Kirchhoff's Laws, find the current at point I3 .
(a)
Using Ohm's Law (V=IR), what is the current at the point I1 ? Use only Loop 1 for your reference point. Write down or memorize this answer, as you will need it for the next question.
(a)
a) WHEN A BAR MAGNET MOVES AWAY FROM SOLENOID,MAGNETIC FLUX (a) .
b) BY USING LENZ'S LAW ,DETERMINE THE DIRECTION OF THE INDUCED MAGNETIC FLUX
TO THE RIGHT
TO THE LEFT
DOWNWARD
UPWARD
c) LABEL NORTH POLES OF THE SOLENOID
P
Q
R
S
c) DETERMINE THE DIRECTION OF NORTH POLE OF THE COIL
TO THE LEFT
OUT
TO THE RIGHT
IN
c) Label North poles of the solenoid
W
X
Y
Z
A 2.0 m long wire carrying 10 A of current moves through an 6.0 T magnetic field. What is the magnetic force acting on the wire?
10 N
120 N
0.5 N
2 N
A current carrying wire lies between the poles of
two magnets, as shown. What is the direction of the force on the wire?
Into the plane of the paper
Out of the plane of the paper
Towards the N-pole
To the right
A 2.0 m wire segment carrying a current of
0.60 A oriented parallel to a uniform magnetic field of
0.50 T experiences a force of what magnitude?
0
0.15 N
0.30 N
6.7 N
What is the magnetic force exerted on a 3.50 𝑚 length of wire carrying a current of 1.20 𝐴 perpendicular to a
magnetic field of 0.890 𝑇?
6.5 N
4.25 N
3.74 N
1.75 N
