Examlex
You need an ideal transformer to reduce a voltage of 150 V in the primary circuit to 25 V
in the secondary circuit. The primary circuit has 130 windings and the secondary circuit is
completed through a 55- resistor. How many windings should the secondary circuit
contain?
Q9: How far does light travel in 1.0
Q20: A proton and an electron are both
Q40: An electron has the same de Broglie
Q50: A resistance of 55 Ω, a capacitor
Q72: An 8.00-mW laser beam emits a cylindrical
Q90: What rms current flows in a 60-mH
Q97: Which of the following statements is true
Q104: An electron moving in the +y direction,
Q146: Which of the following particles (or groups
Q166: When a β<sup>-</sup> particle is emitted from