If the current in an inductor is doubled, by what factor is the stored energy multiplied?
A: 4
B: 2
C: 1
D: 1/2
E: 1/4
A: 4
B: 2
C: 1
D: 1/2
E: 1/4
举一反三
- If<br/>the current in an inductor is doubled, by what factor is the stored<br/>energy multiplied? A: 4 B: 2 C: 1 D: 1/2 E: 1/4
- Village A: 1 B: 2 C: 3 D: 4 E: it is a random factor
- 函数factor(sym(20))的值是（）。 A: [1, 20] B: [1, 4, 5] C: [4, 5] D: [2, 2, 5]
- A character is stored with ( )byte(s). A: 1 B: 2 C: 4 D: 8
- 糖尿病患者的一日三餐，能量分别按()分配。 A: 1/5;2/5;2/5 B: 2/5;2/5;1/5 C: 1/4;2/4;1/4 D: 1/4;1/4;2/4 E: 1/3;1/3;1/3