on touching electroscope gets positively charged, so answer is B. conduction
Answer: 40
Explanation:
= 34 + 5 * 1.2465
= 40.2325
= 40
The number of significant figures in the answer should be the same as the number with the least number of significant figures that any of the digits in the equation have.
32 has 2 significant figures so the answer has to be 2 significant figures which is 40.
The car approaches the truck at a speed of 80-75=5km/h. To travel the 130m, it takes
Answer:
1200 J
Explanation:
Work=force * displacement/distance
Work=400 * 3
Work=1200 J
Series circuits - cpt connected so that the same current passes through each of them.
Disconnection/break in series circuit and current doesn't flow.
Current same
The total potential difference across all of the components. (the sum of the pds across the individual series elements).
The diagram in the enclosure seems to show resistors in parallel. Which is a bit confusing ...
