close
Blogtrottr
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 
Manage your social media

Best social media tool for image publishing to Facebook and Twitter. Look amazing and delight your followers. Get 40% off when you sign up today.
From our sponsors
20點英文物理問題！！超急！！急急！！
Sep 14th 2013, 22:42

1.

The potential difference between the plates of a parallel plate capacitor is 35 V and the electric field?
between the plates has strength of 750 V/m. If the plate area is 0.04 m^2, what is the capacitance of this capacitor?

A. 7.6 * 10^-12 F

B. 7.6 * 10^-14 F

C. 7.6 * 10^-11 F

D. 7.6 * 10^-10 F

E. None of these

2.

When the current through a resistor is increased by a factor of 4, the power dissipated by it
A) decreases by a factor of 4.
B) decreases by a factor of 16.
C) increases by a factor of 16.
D) increases by a factor of 4.
E) remain unchanged.

感激不盡

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends:

You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions
arrow
arrow
    全站熱搜
    創作者介紹
    創作者 rrhhs 的頭像
    rrhhs

    線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

    rrhhs 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄