DP Physics (last assessment 2024)

Test builder »

Question 17N.2.HL.TZ0.e

Select a Test
Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.2.HL.TZ0.e
Level HL Paper 2 Time zone TZ0
Command term Calculate Question number e Adapted from N/A
e.
[Maximum mark: 2]
17N.2.HL.TZ0.e

There is a proposal to power a space satellite X as it orbits the Earth. In this model, X is connected by an electronically-conducting cable to another smaller satellite Y.

The magnetic field strength of the Earth is 31 μT at the orbital radius of the satellites. The cable is 15 km in length. Calculate the emf induced in the cable.

[2]

Markscheme

«ε = Blv =» 31 x 10–6 x 7990 x 15000

3600 «V»

Allow 3700 «V» from v = 8000 m s–1.

Syllabus sections