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Physics UTME / JAMB 2026 Energy and Power
The electrical power developed in the resistor above is
A 8 W
B 64 W
C 256 W
D 128 W
medium Difficulty
Study Explanation
Physics UTME / JAMB 2025 Energy and Power
A 500W electric oven plugged into a 220 V source will consume an electric current of
A 4.88A
B 2.27A
C 6.43A
D 3.23A
medium Difficulty
Study Explanation
Physics UTME / JAMB 2025 Energy and Power
A refrigerator uses 150W. If it is kept on for 336 hours nonstop. What is the energy consumed in Kwh?
A 60.20Kwh
B 25.01Kwh
C 50.40Kwh
D 30.20Kwh
medium Difficulty
Study Explanation
Physics UTME / JAMB 2025 Energy and Power
The electrical power developed in the resistor above is
A 8W
B 64W
C 128W
D 256W
medium Difficulty
Study Explanation
Physics UTME / JAMB 2024 Energy and Power
The value of R required to make the galvanometer measure voltage up to 40V in the diagram above
A 1885\(\Omega\)
B 1990\(\Omega\)
C 1995\(\Omega\)
D 1100\(\Omega\)
medium Difficulty
Study Explanation
Physics UTME / JAMB 2024 Energy and Power
In voltage measurement, the potentiometer is preferred to voltmeter because it
A has a wider range
B consumes negligible current
C is bulky
D responds faster than voltmeter
medium Difficulty
Study Explanation
Physics UTME / JAMB 2024 Energy and Power
A refrigerator uses 150W. If it is kept on for 336 hours non-stop, what is the energy consumed in KWh?
A 60.20KWh
B 50.40KWh
C 25.01KWh
D 30.20KWh
medium Difficulty
Study Explanation
Physics UTME / JAMB 2024 Energy and Power
When a cell of e.m.f 3.06V is connected, the balance of a potentiometer is 75cm, Calculate the new balance of a cell of e.m.f 2.295V
A 56.26cm
B 73.20cm
C 77.80cm
D 78.70cm
medium Difficulty
Study Explanation
Physics UTME / JAMB 2024 Energy and Power
The value of R in the above circuit to make the galvanometer measure 2A is
A 0.128\(\Omega\)
B 0.256\(\Omega\)
C 0.612\(\Omega\)
D 1.00\(\Omega\)
medium Difficulty
Study Explanation
Physics UTME / JAMB 2023 Energy and Power
Which of the following is a type of incandescent light source?
A Fluorescent lamp
B LED lamp
C Tungsten filament lamp
D Neon lamp
medium Difficulty
Study Explanation
medium Difficulty
Study Explanation
Physics WAEC / WASSCE 2022 Energy and Power
A lamp is rated 240 V, 60 W. Determine the resistance of the lamp when lit?
A 120\(\Omega\)
B 240\(\Omega\)
C 540\(\Omega\)
D 960\(\Omega\)
medium Difficulty
Study Explanation
Physics UTME / JAMB 2022 Energy and Power
A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?
A 2400 J
B 9600 J
C 1500 J
D 1200 J
medium Difficulty
Study Explanation
Physics WAEC / WASSCE 2021 Energy and Power
Electric motor primarily converts?
A electrical energy to chemical energy.
B kinetic energy to potential energy
C electrical energy to mechanical energy
D electrical energy to heat energy.
medium Difficulty
Study Explanation
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