Three Infinite Planes of Charge,A,B and C,are Vertical and Parallel

question 12

Multiple Choice

Three infinite planes of charge,A,B and C,are vertical and parallel to one another.There is a uniform electric field
To the left of plane A and a uniform electric field
To the right of plane C.The field
Points to the left and the field
Points to the right.The signs of the charges on plates A,B and C may be

• A)−,−,−.
• B)+,−,−.
• C)+,−,+.
• D)+,+,+.
• E)any one of the above.

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Definitions:

System.exit

A process in Java that concludes the operation of the current Java virtual machine by starting its shutdown process.

System.in

A standard input stream in Java used to receive input from the keyboard.

ReadLine

A method used to read a line of text from a buffer or stream, often associated with BufferedReader in Java.

Null

A special marker used in programming to indicate that a variable does not hold any valid data or object reference.