The adjacent figure shows the characteristic curves C, and C2 of two resistors where the voltage U and the current I through the same resistor are measured in a circuit using the
following instruments: DC generator, rheostat, voltmeter, ammeter, the resistor and connecting
wires.
AUM
114
12._
10 : :
18
6 :
ہ
(m. A.)
20 40 60 80 100 120 140
1. Draw a diagram of the corresponding circuit.
2 Which one of the two resistors has the larger resistance? Why?
3 Calculate the resistance of each one of the two resistors.
4 The two resistors are connected in series across a dry cell that provides a voltage 10V:
à. Draw a diagram representing the circuit.
3
6. Find the resistance of the resistor equivalent to the two resistors. Express it in K22.
c. Calculate the current I in the circuit.
d. Calculate the voltage U, and U2 across each one of the two resistors.
and
.​