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Thursday, 2 July 2026

[Demo] Ohm's Law — Physics Daily Challenge

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Objective3 questions
Q1Medium1 XP

[Demo] A wire has resistance 10 Ω. If voltage across it doubles, current will:

AHalve
BDouble
CStay the same
DQuadruple
Q2Medium1 XP

[Demo] Which unit measures electrical resistance?

AAmpere
BVolt
COhm
DWatt
Q3Medium1 XP

[Demo] In Ohm's Law (V = IR), if I = 2A and R = 5Ω, V equals:

A2.5 V
B7 V
C10 V
D3 V
WrittenOpen-answer question
Medium10 XP

[Demo] Explain Ohm's Law in your own words and give one real-life example.

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