Magnetic Bearing (Grade 12 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What reference point does magnetic bearing use for direction measurements?
What reference point does magnetic bearing use for direction measurements?
Magnetic north
What is the formula for calculating magnetic bearing?
What is the formula for calculating magnetic bearing?
MB = TB + MD
What does magnetic declination represent?
What does magnetic declination represent?
Angular difference between true & magnetic N
In South Africa, magnetic declination is typically described as being in which direction?
In South Africa, magnetic declination is typically described as being in which direction?
West of true north
If annual change is westward, how do you update the given declination?
If annual change is westward, how do you update the given declination?
Add the calculated change
How should your final magnetic bearing answer be expressed?
How should your final magnetic bearing answer be expressed?
Only in degrees and minutes
If TB = 272° and MD = 20° 13', what is the magnetic bearing?
If TB = 272° and MD = 20° 13', what is the magnetic bearing?
292° 13'
Why are magnetic north and true north not in the same location?
Why are magnetic north and true north not in the same location?
Earth's magnetic field varies
With 14 years difference and 4' westward annual change, what is the total change?
With 14 years difference and 4' westward annual change, what is the total change?
56' westward
What exam strategy earns marks even if you make small calculation errors?
What exam strategy earns marks even if you make small calculation errors?
Write out the formula MB = TB + MD