Ohms Law QUESTIONS AND ANSWERS

Basic Science : Ohms Law QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

11.A resistance wire is made into 5 equal parts and all the five parts are connected in parallel. What is the ratio of the effective resistance to the original resistance

1/5

1/10

1/25

12.The specific resistance of a wire depends on

its radius

Its length

the material of the wire

its shape

13.A tape recorder is marked as 6 V and 300 mA. If the voltage drops to 5V, the decrease in current of the tape recorder is

250 mA

200 mA

50 A

50 mA

14.Three resistance are connected to from the side of a triangle ABC. If the resistances AB, BC, CA respectively are 40 ohm, 60 ohm, and 100 ohm, the effective resistance between the points A and B

32 Ω

50 Ω

64 Ω

200 Ω

15.The resistance of a conductor is due to

the flow of current in the conductor

the collision of electrons with atoms

The attractive force between electrons and protons

the thermal agitation of electrons

More Ohms Law QUESTIONS AND ANSWERS available in next pages