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A 20V supply is connected

When a certain a.c. supply is connected to a lamp, it lights with the same brightness as it does with a 12V batterya) what is
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2. asked by Sola
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A coil takes a current of 10.0 A and dissipates 1410 Wwhen connected to a 230 V, 50 Hz sinusoidal supply. When another coil is
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2. asked by lolo
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Three branches possessing a resistance of 50 ohms an inductance of 0.5H and a capacitance of 100micri farads respectively are
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A toaster consists of 4 heating elements that are connected in parallel. The toaster is connected to a 240 V mains supply. When
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2. asked by Nick
3. 575 views
When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is
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2. asked by Patty
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When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is
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2. asked by Patty
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1.1. A resitance of 1.5ohm is connected in parallel with a resistance of 3 ohm. This combination is connected in series with a
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2. asked by kamil
3. 1,226 views
a resistor of unknown value R is connected in parallel with a resistance of 15 ohms.this combination is connected in series with
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2. asked by ronewa
3. 50 views
Two resistors of 15ohms and 5ohms are connected in parallel.this parallel combination is connected in a series with a third
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2. asked by Hellen
3. 726 views
a resistor R is connected in parallel with a 10-ohm inductive reactance. the combination is then connected in series with a 4ohm
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2. asked by Student
3. 2,216 views