Ohm's Law | Class 10
Автор: Librare-E
Загружено: 2025-02-11
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SSLC Model Questions And Answers
1. True or False: Ohm’s law is universal.
✅ True
❌ False (Correct Answer)
Explanation: Ohm’s law is not universal because it does not apply to non-ohmic conductors, such as semiconductors and superconductors, where the current-voltage relationship is non-linear.
2. The current-voltage relationship is given by the formula _____.
Answer:
V = IR
Explanation: Ohm’s law states that voltage (V) across a conductor is directly proportional to the current (I) flowing through it, with resistance (R) as the proportionality constant.
3. Ohm’s law is named after which scientist?
Answer:
Ohm’s law is named after the German physicist Georg Simon Ohm.
Explanation: In 1827, Georg Simon Ohm formulated the relationship between voltage, current, and resistance, which is now known as Ohm’s law.
4. _____ volt of pressure is needed to push one amp of current through one ohm of resistance.
a) Zero
b) One ✅ (Correct Answer)
c) Two
d) Three
Explanation: According to Ohm’s law (V = IR), when the resistance is 1 ohm and the current is 1 amp, the required voltage is:
V = (1 A) × (1 Ω) = 1 volt.
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