Which type of power supply is more efficient than a linear power supply? A) Switch mode power supply (SMPS) B) Linear power supply C) AC power supply D) DC power supply Answer: A) Switch mode power supply (SMPS)
Which type of SMPS topology is best suited for high power applications? A) Buck converter B) Boost converter C) Flyback converter D) Push-pull converter Answer: D) Push-pull converter
What is the main advantage of a SMPS compared to a linear power supply? A) Lower efficiency B) Higher cost C) More complex circuit design D) More compact size Answer: D) More compact size
What is the purpose of the switching element in a SMPS? A) To regulate the output voltage B) To regulate the output current C) To convert AC to DC D) To convert DC to AC Answer: D) To convert DC to AC
What is the purpose of the control circuit in a SMPS? A) To regulate the output voltage B) To regulate the output current C) To turn the switching element on and off D) All of the above Answer: C) To turn the switching element on and off
What is the purpose of the filter circuit in a SMPS? A) To smooth out the output voltage B) To smooth out the output current C) To remove switching noise D) All of the above Answer: C) To remove switching noise
What is the purpose of the feedback circuit in a SMPS? A) To ensure that the output voltage is constant B) To ensure that the output current is constant C) To ensure that the input voltage is constant D) To ensure that the switching frequency is constant Answer: A) To ensure that the output voltage is constant
What is the difference between a buck converter and a boost converter SMPS topology? A) A buck converter decreases the input voltage while a boost converter increases it B) A buck converter increases the input voltage while a boost converter decreases it C) A buck converter uses a transformer while a boost converter does not D) A buck converter uses a diode while a boost converter uses a transistor Answer: A) A buck converter decreases the input voltage while a boost converter increases it
What is the difference between a flyback converter and a forward converter SMPS topology? A) A flyback converter uses a single switch while a forward converter uses two B) A flyback converter uses a transformer while a forward converter does not C) A flyback converter is more efficient than a forward converter D) A flyback converter is less efficient than a forward converter Answer: A) A flyback converter uses a single switch while a forward converter uses two
What is the difference between a push-pull converter and a half-bridge converter SMPS topology? A) A push-pull converter uses two switches while a half-bridge converter uses one B) A push-pull converter uses a transformer while a half-bridge converter does not C) A push-pull converter is more efficient than a half-bridge converter D) A push-pull converter is less efficient than a half-bridge converter Answer: A) A push-pull converter uses two switches while a half-bridge converter uses one
0 Comments