A circuit consists of 2N resistors, all of resistance R, ...

[RYAN BANYAN]

A circuit consists of 2N resistors, all of resistance R, connected as shown below. A potential difference V is applied to one end, and the other end is at ground potential. The equivalent resistance of the circuit is
 
   

   
  a.
  .
   
  b.
  R.
   
  c.
  .
   
  d.
  NR.
   
  e.
  2NR.

Question 2

Which two circuits are exactly equivalent?
 
   

   
  a.
  A and B
   
  b.
  B and C
   
  c.
  C and D
   
  d.
  D and E
   
  e.
  B and E

[cassie_ragen]

Answer to Question 1

c

Answer to Question 2

e