Direction of flow of DC electricity in a...

Question 1 / 20kPX80XrZcvh1xFAYrAA3

Question 1 of 20kPX80XrZcvh1xFAYrAA3

Direction of flow of DC electricity in a conductor can be determined by:

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Question 1 of 20

kPX80XrZcvh1xFAYrAA3

Direction of flow of DC electricity in a conductor can be determined by:

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🔍 Key Concepts

• DC (Direct Current) vs AC (Alternating Current) and how current direction is defined • Use of a magnetic field around a conductor to infer current direction • Purpose of an ammeter and what its polarity markings indicate

💭 Think About

• Which hand rule (left or right) is associated with conventional current direction for a straight conductor and its magnetic field? • If you place a magnetic compass near a straight DC conductor, what does the needle actually tell you about the magnetic field and hence current direction? • What does connecting an ammeter with marked + and – terminals in series tell you about which way the current is flowing?

✅ Before You Answer

• Recall which hand rule is used for conventional current in a straight wire creating a magnetic field (thumb = current, fingers = magnetic field). • Verify whether a magnetic compass alone can distinguish current direction without using a hand rule. • Confirm that when an ammeter is connected with known polarity, the deflection or indication shows the direction of current relative to its + and – terminals.

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Question 1 of 20

Direction of flow of DC electricity in a conductor can be determined by:

A magnetic compass and the left hand rule

A magnetic compass and the right hand rule

Connecting an ammeter with marked polarities in series with the circuit

A & C

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Question 1 / 20kPX80XrZcvh1xFAYrAA3

Question 1 of 20kPX80XrZcvh1xFAYrAA3

Direction of flow of DC electricity in a conductor can be determined by:

Back

Question 1 of 20

kPX80XrZcvh1xFAYrAA3

Direction of flow of DC electricity in a conductor can be determined by:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed