For Three Identical Lamps in Parallel with a 1

question 167

Multiple Choice

For three identical lamps in parallel with a 1.5-volt dry cell, the voltage across the lower lamp is

• A)1/2 V.
• B)1 V.
• C)1)5 V.
• D)3 V.
• If that lamp is disconnected, the other two lamps will
• E)glow the same.
• F)glow much more brightly.
• G)glow much more dimly.

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Definitions:

Pure Reactive Load

An electrical load that consumes reactive power only, with a power factor of zero, meaning it does not dissipate real power.

Three-Phase Load

An electrical load operating with three phases of alternating current, providing more consistent, balanced power delivery.

VARs

Volt-Ampere Reactive, a unit of reactive power in an AC electrical power system.

Three-Phase Connection

A method of electrical connection that uses three alternating currents of the same frequency and amplitude but with phases offset by one third of a cycle.