An election is travelling perpendicular to the magnetic deflection coils, into the page, as shown below. Deflection coil Top of scree
An election is travelling perpendicular to the magnetic deflection coils, into the page, as shown below. Deflection coil Top of scree
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Use the following information to answer the next question.
Cathode-suy tubes (CRTs) are used for television and computer screens.
They are set up as shown below.
Anode
| +
lot
AP
Vacuum
Deflection coils
Deflection
coils
Electrous are "boiled off the surface of the cathore and are accelerated
toward the anode. The cathode is 45 cm from the anode. A potential
difference of 2.5 x 10³ V exists between the cathode and the anode The
elections are deflected both side to side and up and down by pairs of magnetic
deflection coils mounted on the neck of the tube
An election is travelling perpendicular to the magnetic deflection coils, into
the page, as shown below.
Top of screen
79. The coils that can produce a deflection toward the top of the screen are numbered
A. 1 and 3
B. 2 and 4
C. 1 and 2
D. 3 and 4
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pereen
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5:28 PM
2023-04-04
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