alleryStart learning →In a series circuit with R1 = 4 Ω and R2 = 6 Ω, total resistance is:
- 2 Ω
- 24 Ω
- 10 Ω
- 2.4 Ω
Show answer and solution
Correct answer: C. 10 Ω
**Series resistors add:** R_total = R1 + R2 = 4 + 6 = 10 Ω.
Same current flows through both.
DSSSB TGT Class10 Electricity Circuits — practice questions
Explore 2 free Class10 Electricity Circuits questions in DSSSB TGT Science. Open each question or exercise to read its content, reference answers and available explanation.
Practise Class10 Electricity Circuits with Quill →Class10 Electricity Circuits questions and exercises with answers
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Worked practice questions
Joule heating formula gives heat H as:
- H = IRt
- H = V/Rt
- H = VRt
- H = I²Rt
Show answer and solution
Correct answer: D. H = I²Rt
H = I²Rt is Joule's law of heating.
Heat dissipated in a resistor equals current squared times resistance times time.
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