When the Wheatsbone bridge in Fegure 1 is balanced, which orve of the following viatements are truet (More rhav one moy be true.) a. There is no current in the unknown resistor. b. There is no current in the galvanometer c. There is no voltabe drop across the galvanoeneter. d. The currents in
R_(1)
and
A_(3)
are the same. e. The currents in
R_(3)
and
R_(2)
are the same. f. The voltage across
R_(1)
and
R_(3)
are the same. g. The woltage across
R_(1)
and
R_(2)
are the same.