LENZ'S LAW
11th Grade
•16 Qs
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LENZ'S LAW
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
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16 questions
Show all answers
1.
DROPDOWN QUESTION
10 sec • 1 pt
a) WHEN A BAR MAGNET MOVES AWAY FROM SOLENOID,MAGNETIC FLUX (a) .
Answer explanation
MAGNETIC FIELD LINES PASS THROUGH THE CROSS SECTIONAL AREA OF SOLENOID DECREASES,THEREFORE MAGNETIC FLUX DECREASES
Tags
NGSS.HS-PS2-5
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
b) BY USING LENZ'S LAW ,DETERMINE THE DIRECTION OF THE INDUCED MAGNETIC FLUX
TO THE RIGHT
TO THE LEFT
DOWNWARD
UPWARD
Answer explanation
WHEN EXTERNAL MAGNETIC FLUX(TO THE LEFT) DECREASES, INDUCED MAGNETIC FLUX TO THE RIGHT IS PRODUCED
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
c) LABEL NORTH POLES OF THE SOLENOID
P
Q
R
S
Answer explanation
BY USING RIGHT HAND GRIP RULE, THE DIRECTION OF THE MAGNETIC FLUX IS NORTH
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
d) BY USING RIGHT HAND GRIP RULE, STATE THE DIRECTION OF INDUCED CURRENT ON THE SOLENOID
ANTICLOCKWISE
UPWARDS
DOWNWARDS
CLOCKWISE
Answer explanation
THUMB- NORTH
OTHER FINGERS-INDUCED CURRENT
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
a) WHEN THE STRAIGHT CONDUCTOR MOVES TO THE LEFT IN A UNIFORM MAGNETIC FIELD, MAGNETIC FLUX ________
DOES NOT CHANGE
DECREASES
INCREASES
IS INFINITIY
Answer explanation
WHEN THE STRAIGHT CONDUCTOR MOVES TO THE LEFT,MAGNETIC FIELD LINES (OUT OF THE PAGE) PASS THROUGH THE AREA DECREASES. THEREFORE MAGNETIC FLUX DECREASE
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
b) BY USING LENZ'S LAW, STATE THE DIRECTION OF INDUCED MAGNETIC FLUX.
TO THE LEFT
INTO the page
TO THE RIGHT
OUT of the page
Answer explanation
WHEN THE MAGNETIC FLUX DECREASES, DIRECTION OF THE INDUCED MAGNETIC FLUX SAME DIRECTION AS EXTERNAL MAGNETIC FLUX
Tags
NGSS.HS-PS2-5
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
c）DETERMINE THE DIRECTION OF THE NORTH POLE
OUT
IN
TO THE LEFT
TO THE RIGHT RIGHT
Answer explanation
THE DIRECTION OF THE NORTH POLE FOLLOWS THE DIRECTION OF THE INDUCED MAGNETIC FLUX
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
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