Blog

What charge accumulates on the plates of a 2.0-μF air-filled capacitor when it is charged until the potential difference across its plates is 100 V?

Three resistors with resistances of 2.0 Ω, 6.0 Ω, and 12 Ω are connected across an ideal dc voltage source  V as shown in the figure. If the total current through the circuit is  I = 2.0 A, what is the applied voltage  V?

What type of shimming uses shims to adjust for large changes in the magnetic field by manipulating the lines of flux?

Why is helium is the cryogen of choice in superconducting magnets?

An actress crossing the stage to accept her Oscar award trips on the hem of her gown, and the audience gasps.  When she reaches the microphone, she jokes that she didn’t have enough time to practice walking in the dress.  The audience laughs, and she continues with her acceptance speech.  What has occurred here?

Sociologists use the term “gender” to refer to:

While walking down a busy street in Manhattan, Janet (a Black woman) notices a Black man walking towards her.  Without consciously thinking, she moves her purse and tightens her grip on it.  What kind of racism is this?

Sarah and the rest of her family are white. Her dad told her that she is forbidden to date an Asian person, but she’s not allowed to tell anyone that he has said that. What type of racism is Sarah’s dad illustrating?  

While walking down a busy street in Manhattan, Charlene (a White woman) notices a Black man walking towards her.  Without consciously thinking, she moves her purse and tightens her grip on it.  What kind of racism is this?

For the following reaction, the equilibrium constant Kc is 0.60 at a certain temperature. If the concentration of NO(g) and NOBr(g) are both 0.50 M,at equilibrium, what is the concentration of Br2(g)? 2NO(g) + Br2(g) ⇌ 2NOBr(g)