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ET 140: Sinusoidal & Transnt Analysis at Queensborough Community College

3 credits · Fall 2026

Sinusoidal & Transnt Analysis (ET 140) at Queensborough Community College has 1 way to take it in Fall 2026, plus 1 recitation or lab time you pair with a lecture. 2 of 2 sections have an open seat right now.

Professors teaching it: John Leccese and Jeffrey Schwartz.

Of the 2 professors with a Chill Rank, John Leccese ranks chillest (Easy) and Jeffrey Schwartz least chill (Busy).

Compare them below, check the days and times, and add the course to your schedule.

This course meets as a lecture plus a lab. Your schedule needs one time from each, and the schedule builder picks them together.

Requirements

PREREQ: ET110 & COREQ: MA128

About this course

Sinusoidal waveforms; impedance, phasor quantities, AC meters; passive filters; the differential equation formulation of the electric circuit behavior; initial conditions, transients in RC and RL circuits. Laboratory hours complement class work.

Best professors for ET 140 at Queensborough CC, Fall 2026

Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works

ET 140 sections, times and seats

Seat status as of Oct 4, 5:19 PM ET. Seats can change between refreshes. How fresh is this?

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

You need one lecture and one lab. They can be combined freely, so pick each separately; the schedule builder checks the times together.

Mon/Wed · 4:40 PM - 5:55 PM
K13-LEC · In Person · Science 416
Jeffrey SchwartzChill Rank 4 of 5: Busy?★ 3.1(48)Difficulty 3.8/5 · 52% would take again#2 chillest of 2 for this course
Open
Pick a lab · 1 lab · 1 open · Tue 6:10 PM - 8:50 PM
  • M2L-LABTue · 6:10 PM - 8:50 PM
    John LecceseChill Rank 2 of 5: Easy?★ 4.6(14)Difficulty 1.8/5 · 86% would take again#1 chillest of 2 for this course
    In PersonOpen

Questions about ET 140 at Queensborough CC

Who teaches ET 140 at Queensborough CC in Fall 2026?
John Leccese and Jeffrey Schwartz are listed for Fall 2026. Each name links to a page with their Chill Rank and Rate My Professors numbers.
Is ET 140 at Queensborough CC hard?
It depends on the professor. Across the 2 professors with a Chill Rank, students on Rate My Professors give an average difficulty of 2.8 out of 5. The Chill Rank above compares them directly.
What if a ET 140 section is full?
Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.