QUESTIONS CDC
दिइएको चित्र कुन प्रकारको ट्रान्सफर्मर हो? यसको कोर कन
पदार्थले लेमिनेसन गरिएको हुन्छ ? ट्रान्सफर्मरमा प्राइमरी
स्वाइलको सङ्ख्या र सेकन्डरी स्वाइलको सङ्ख्या कहिल्यै पनि
वरावर वनाइँदैन, किन? (Which type of transformer is given in
the figure? Which substance is used to laminate its core? The
number of turns of primary coil and the number of turns of
secondary coil in a transformer are never made equal, why?)
AC source
Output​

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface