Home work help

vieirabear · Aug 18, 2009

Vt = 20 Vrms @ 1 kHz turns ratio =2:1 R1 = 1 KΩ and C1 = 47 µF. What is Vp on R1?

mneary · Aug 21, 2009

forty two?

Hero999 · Aug 21, 2009

How are we supposed to help? Without a schematic your question is meaningless.

Roff · Aug 21, 2009

mneary said:
forty two?

20V*(1k/sec)*2*(1k*47U)sec=1880V.
That's my answer and I'm stickin' to it.

microtexan · Aug 21, 2009

Roff said:
20V*(1k/sec)*2*(1k*47U)sec=1880V.
That's my answer and I'm stickin' to it.

Shouldn't that be 1880 uVF

Roff · Aug 21, 2009

microtexan said:
Shouldn't that be 1880 uVF

Units of Hz is 1/sec. Units of R*C is sec. They cancel.

Ohms=volts/amp=volts/coulomb/second

Farads=coulombs/volt
Therefore,
Ohms*Farads=seconds

Which we all knew anyway (RC time constant).

giftiger_wunsch · Aug 21, 2009

Wow, looks like someone is dedicated to their homework.

Ghosty_Ghoul · Aug 21, 2009

How does anyone know how C1 and R1 are connected?

Roff · Aug 21, 2009

Ghosty_Ghoul said:
How does anyone know how C1 and R1 are connected?

We don't. A nonsensical question spawns nonsensical answers.

Hero999 · Aug 21, 2009

Aww you've ruined our game.

Roff · Aug 21, 2009

Hero999 said:
Aww you've ruined our game.

You should have joined in. You never know when some fool will let the air out of the ball.

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