Three identical lamps each power 100W are connected in parallel across a potential difference of…
Three identical lamps each power 100W are connected in parallel across a potential difference of 250V. Calculate the…
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An electric bulb is rated 60W, 220V. Calculate the resistance of its filament when it…
An electric bulb is rated 60W, 220V. Calculate the resistance of its filament when it is operating normally…
The Earth’s magnetic equator passes through Jos in Nigeria. At Jos. the
The Earth’s magnetic equator passes through Jos in Nigeria. At Jos. the A. angle of variation is zero…
What is the effective capacitance in the circuit?
What is the effective capacitance in the circuit? A. 2(mu F) B. 6(mu F) C. 18(mu F) D.…
What is the total energy stored by the capacitors?
What is the total energy stored by the capacitors? A. 2.0 x 10-4J B. 1.0 x 10-4J C.…
The magnitude of the gravitational force between two particles 0.10m apart is 10N. If the…
The magnitude of the gravitational force between two particles 0.10m apart is 10N. If the distance between them…
As the plates of a charged variable capacitor are moved closer together, the potential difference…
As the plates of a charged variable capacitor are moved closer together, the potential difference between them A.…
The diagram above shows the wire of a sonometer box set into resonance by a…
The diagram above shows the wire of a sonometer box set into resonance by a vibrating tuning fork…
If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of…
If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of vibration of the…
Dispersion of white light by a glass prism occurs because
Dispersion of white light by a glass prism occurs because A. white light consist of a mixture of…