Answer:
Step-by-step explanation:
Circuit breaker trips due to excess current . Appliances are connected in parallel in which resistance becomes less . If only one appliance is connected then the current becomes low because of high resistance due to only one appliance . So breaker may not trip or may trip because resistance of even single appliance may be quite low so current may still be high.
So B ) is correct .
So C ) is also correct.
So D ) is also correct.