Find the resistance of an iron rod 2 cm in diameter and weighing 3 kg. Find the readings of the ammeter andvoltmeter in the circuits in Figs. 4. The resistance of the voltmeter is Ry = 10000, theɛ = 150 V, the resistances R1-4000and R2 = 600 0. Disregard R R2 the resistance of the battery and the ammeter. V Fig. 4 In the circuit in Fig. 5, ɛ = 100 V,the resistances R1= 25 Q and R2=R3= 100 0. Find the power dissipated in the resistor R1. Disregard the resistance of the battery. Fig. 5
Find the resistance of an iron rod 2 cm in diameter and weighing 3 kg. Find the readings of the ammeter andvoltmeter in the circuits in Figs. 4. The resistance of the voltmeter is Ry = 10000, theɛ = 150 V, the resistances R1-4000and R2 = 600 0. Disregard R R2 the resistance of the battery and the ammeter. V Fig. 4 In the circuit in Fig. 5, ɛ = 100 V,the resistances R1= 25 Q and R2=R3= 100 0. Find the power dissipated in the resistor R1. Disregard the resistance of the battery. Fig. 5
Chapter9: Optics
Section: Chapter Questions
Problem 9Q
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5.
Find the resistance of an iron rod 2 cm in diameter and weighing 3 kg.
6. Find the readings of the ammeter andvoltmeter
in the circuits in Figs.
voltmeter is Ry = 10000, theɛ = 150 V, the
resistances R1=4000and R2 = 600 Q. Disregard
The resistance of the
R,
R2
the resistance of the battery and the ammeter.
V
Fig. 4
7. In the circuit in Fig. 5, ɛ = 100 V,the resistances
R1= 25 Q and R2=R3= 100 0. Find the power
dissipated in the resistor R1. Disregard the
resistance of the battery.
Fig. 5
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