Q1
What is the heating effect of current?
AConverting electrical energy to heat
BConverting heat to electricity
CCreating a magnetic field
DCausing chemical reactions
SSCClass 10 (SSC)Science and Technology (विज्ञान आणि तंत्रज्ञान)Ch 4 · Topic 1
Effects of Electric Current
Electric current produces various effects, including heating, magnetic, and chemical effects, each with important practical applications.
Core concept
The heating effect of current occurs when current flows through a resistor, converting electrical energy to heat, used in heaters and bulbs.
How it works
The magnetic effect of current, discovered by Oersted, shows that current-carrying conductors create magnetic fields, used in electromagnets and motors.
Why it matters
The chemical effect of current, seen in electrolysis, causes chemical reactions when current passes through certain solutions or molten compounds.
Key detail
These effects of electric current have numerous practical applications in everyday devices, industry, and technology.
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Quick notes
• Heating effect: current through resistor generates heat.
• Used in heaters, bulbs.
• Magnetic effect: current creates magnetic field.
• Discovered by Oersted. Used in motors, electromagnets.
• Chemical effect: seen in electrolysis.
• Causes reactions in solutions, molten compounds.
• These effects have numerous applications.
• Used in everyday devices, industry, technology.