Question

Central Board of Secondary education
When a 4V battery is connected across an unknown resistor there is a current of 100
in the circuit. The value of the resistance of the resister is:
i) 412
ii) 40 2
iii) 400 12
iv) 0.42
Unit of electric power may also be expressed as:
i) volt-ampere
ii) kilowatt-hour
iii) watt-second
iv) joule-second
It was found that water from a river was contaminated with Coliform bacteria. Which one
of the following pollutant might have got mixed with the water?
i) Fertilizer run off
ii) Industrial waste
iii) Pesticides
iv) Human faecal matter
1
OR
Which one of the following stakeholders of forests causes the maximum damage to
forest?
i) People who live in or around the forcsi
The fact doortment of the normant​

Answer 1

Answer:

1) .04

2) joule per second

3) Human faecal matter