The Circuit Below Contains Three 100-W Light Bulbs

question 36

Multiple Choice

The circuit below contains three 100-W light bulbs. The emf ε = 110 V. Which light bulb(s) is(are) brightest?

• A)A
• B)B
• C)C
• D)B and C
• E)All three are equally bright.

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Definitions:

Electromagnetic Interference (EMI)

A phenomenon responsible for noise in electric circuits.

PLC System

A programmable logic controller system, an electronic system used for industrial automation, controlling machinery and processes through digital input and output.

Solid-State Switches

Electronic switches that operate without moving parts, using semiconductor devices to switch on or off.