What current is will be drawn by two 75 watt...

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Question 1 of 205eccefa3bacbc34ba4d47ef7

What current is will be drawn by two 75 watt lamps and one 40 watt lamp when connected in parallel to a 120 volt power source?

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5eccefa3bacbc34ba4d47ef7

What current is will be drawn by two 75 watt lamps and one 40 watt lamp when connected in parallel to a 120 volt power source?

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🔍 Key Concepts

• Power, voltage, current relationship using the formula P = V × I • How parallel circuits behave (voltage across each branch vs current in each branch) • Adding individual branch currents to get total circuit current

💭 Think About

• First, find the current for ONE lamp using its power rating and the supply voltage. What formula lets you do that? • Calculate the current for a 75 W lamp, then for a 40 W lamp. How many of each are in the circuit? • Once you know each lamp’s current, how do you combine them in a parallel circuit to find total current?

✅ Before You Answer

• Be sure to use P = V × I rearranged correctly to solve for current: I = P / V • Keep track of units: watts for power, volts for voltage, amperes for current • After adding the branch currents, compare the result carefully with the closest matching choice without rounding too early

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Question 1 of 205eccefa3bacbc34ba4d47ef7

What current is will be drawn by two 75 watt lamps and one 40 watt lamp when connected in parallel to a 120 volt power source?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47ef7

What current is will be drawn by two 75 watt lamps and one 40 watt lamp when connected in parallel to a 120 volt power source?

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